From philvourtsis at gmail.com Wed Apr 1 09:56:11 2015 From: philvourtsis at gmail.com (Phil Vourtsis) Date: Wed, 1 Apr 2015 09:56:11 -0400 Subject: [NJARC] Need values for BL 42 D Ballast Resistor Message-ID: I picked up a GE J62 radio at the Charlotte AWA meet in beautiful condition. But one of the tube sockets was empty. Turns out it needs a ballast resistor. Does anyone have a list of these and what resistors values are? I'm looking for a BL 42 D. I checked the schematic and it shows 3 resistors but no values. Thanks, Phil V -------------- next part -------------- An HTML attachment was scrubbed... URL: From njarc at mailman.qth.net Wed Apr 1 10:13:32 2015 From: njarc at mailman.qth.net (Joe Connor via NJARC) Date: Wed, 1 Apr 2015 14:13:32 +0000 (UTC) Subject: [NJARC] Need values for BL 42 D Ballast Resistor In-Reply-To: References: Message-ID: <1589825175.2859022.1427897612373.JavaMail.yahoo@mail.yahoo.com> Phil: ? ? Here is a useful page on deciphering ballast tubes:http://www.radioremembered.org/ballast.htm ? ? This site gives the wiring diagram: http://www.radiomuseum.org/tubes/tube_bl42d.html ? ? This site sells some universal replacements:http://www.vacuumtubesinc.com/Products/BallastTubesDelayRelays/BallastTubes.aspx# ? ? Here's an interesting question: with today's higher line voltages, should you use a ballast tube that drops more voltage as a way to compensate for the higher line voltage? ? ? ? ? ? ? ? ? ? ? ? ? Joe Connor On Wednesday, April 1, 2015 9:56 AM, Phil Vourtsis wrote: I picked up a GE J62 radio at the Charlotte AWA meet in beautiful condition. But one of the tube sockets was empty. Turns out it needs a ballast resistor. Does anyone have a list of these and what resistors values are? I'm looking for a BL 42 D. I checked the schematic and it shows 3 resistors but no values. Thanks,Phil V Just remember Reply = Poster Reply All = Everyone _________________________________________________________ ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto:NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From a.b.magoun at ieee.org Wed Apr 1 14:18:31 2015 From: a.b.magoun at ieee.org (Alex Magoun) Date: Wed, 1 Apr 2015 14:18:31 -0400 Subject: [NJARC] Why the Internet didn't kill Radio Shack Message-ID: Per this Fortune reporter ( http://fortune.com/2015/04/01/why-the-internet-did-not-kill-radio-shack/?xid=gn_editorspicks&google_editors_picks=true), though I'm curious what the profit margin is/was on selling components to restorers/DIYers/hackers/makers compared to cell phones. Besides, it was selling, or trying to sell, consumer electronics at least 40 years ago. Alex ~~~ Alexander B. Magoun, Ph.D., Outreach Historian IEEE History Center at Stevens Institute of Technology Samuel C. Williams Library 3rd Floor Hoboken, NJ 07030-5991 USA +1 732-981-3414 a.b.magoun at ieee.org www.ethw.org @IEEEHistory www.ieee.org/history_center IEEE - Advancing Technology for Humanity -------------- next part -------------- An HTML attachment was scrubbed... URL: From antqradio at sbcglobal.net Wed Apr 1 17:57:03 2015 From: antqradio at sbcglobal.net (antqradio at sbcglobal.net) Date: Wed, 1 Apr 2015 21:57:03 +0000 (UTC) Subject: [NJARC] Why the Internet didn't kill Radio Shack In-Reply-To: References: Message-ID: <1489233011.3253039.1427925423358.JavaMail.yahoo@mail.yahoo.com> I can speak only for myself but I imagine that some on this list have had similar experiences with Radio Shack. First off, I have bought several scanners and shortwave receivers from them over the years and I have been happy with all of them. ?They were worth what I paid and reliability was better then average, in my experience. ?I guess up to about the year 2000 or so, buying components from RS was common for me. ?But after they concentrated more and more on cellphones and the like and the component shelves dried up, I stopped going. ?By then I had discovered Mouser and have used them and eBay for all of my component needs ever since. I don't really think that RS management was to blame, it is just the price of progress. ?When you think about it, modern electronic products are now no longer repairable. ?Pick and place surface mounted parts, not much bigger then ground pepper flakes, have made the cost to replace the end item so low that repair a thing of the past. ?Not to mention that reliability is, for the most part so high that one gets tired of the old cell phone or what have you long before it fails. When I left the cell phone industry, the cost to manufacture a phone was around $300. ?The most costly component was the six volt battery. ?The production life cycle of the cell phone was 18 months. ?The first three or so months, the phone sold for $300, the next three or so months it was at $100 or so. ?In the last months of production, the phone was free for signing a new contract since all of the R&D and production cost had been recovered and a nice profit was made by all. ?Ah, the beauty of mass production! 15 years of so later, I imagine that the cost to make a cell phone is much lower. ?My Blackberry Z10, which I think is wonderful and intuitive to use, was free to me for a two year contract extension. ?It has an 8MB camera so I no longer have a need for the Nicon Coolpix 2000 camera and the GPS receiver in the car. ?The Z10 has more speed and memory then either of my first two or three PC's I paid a king's ransom for. ?It just blows my mind! ?And to think our favorite hobby is the collection and restoration of ancient vacuum tube radios and electronics; it is just plain crazy. Is anyone collecting cellphones? ?I have a few early AMPS and DAMPS Ericsson and other makers of cell phones, some NIB, some engineering samples and some with only the circuit board, free for postage. ?If InfoAge is interested, I'll throw in a cellphone schematic!Jim From: Alex Magoun To: njarc at mailman.qth.net Sent: Wednesday, April 1, 2015 1:18 PM Subject: [NJARC] Why the Internet didn't kill Radio Shack Per this Fortune reporter (http://fortune.com/2015/04/01/why-the-internet-did-not-kill-radio-shack/?xid=gn_editorspicks&google_editors_picks=true), though I'm curious what the profit margin is/was on selling components to restorers/DIYers/hackers/makers compared to cell phones.? Besides, it was selling, or trying to sell, consumer electronics at least 40 years ago. Alex ~~~ Alexander B. Magoun, Ph.D., Outreach Historian IEEE History Center at Stevens Institute of Technology Samuel C. Williams Library 3rd Floor Hoboken, NJ 07030-5991 USA +1 732-981-3414 a.b.magoun at ieee.org www.ethw.org at IEEEHistory www.ieee.org/history_center IEEE - Advancing Technology for Humanity Just remember Reply = Poster Reply All = Everyone _________________________________________________________ ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto:NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From dave at sicaproductions.com Wed Apr 1 21:45:05 2015 From: dave at sicaproductions.com (David Sica) Date: Wed, 1 Apr 2015 21:45:05 -0400 Subject: [NJARC] Why the Internet didn't kill Radio Shack In-Reply-To: <1489233011.3253039.1427925423358.JavaMail.yahoo@mail.yahoo.com> References: <1489233011.3253039.1427925423358.JavaMail.yahoo@mail.yahoo.com> Message-ID: Jim, Collecting cellphones? Nah, one's got to draw the line somewhere. But then again... I did have to keep my "bag phone" from 1985 or so. I used to drag it out occasionally to tease my kids when they started badgering me for newer, smaller phones. -- Dave Sica Productions 732-382-0618 973-873-6347 On Wed, Apr 1, 2015 at 5:57 PM, wrote: > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > I can speak only for myself but I imagine that some on this list have had > similar experiences with Radio Shack. > > First off, I have bought several scanners and shortwave receivers from > them over the years and I have been happy with all of them. They were > worth what I paid and reliability was better then average, in my > experience. I guess up to about the year 2000 or so, buying components > from RS was common for me. But after they concentrated more and more on > cellphones and the like and the component shelves dried up, I stopped > going. By then I had discovered Mouser and have used them and eBay for all > of my component needs ever since. > > I don't really think that RS management was to blame, it is just the price > of progress. When you think about it, modern electronic products are now > no longer repairable. Pick and place surface mounted parts, not much > bigger then ground pepper flakes, have made the cost to replace the end > item so low that repair a thing of the past. Not to mention that > reliability is, for the most part so high that one gets tired of the old > cell phone or what have you long before it fails. > > When I left the cell phone industry, the cost to manufacture a phone was > around $300. The most costly component was the six volt battery. The > production life cycle of the cell phone was 18 months. The first three or > so months, the phone sold for $300, the next three or so months it was at > $100 or so. In the last months of production, the phone was free for > signing a new contract since all of the R&D and production cost had been > recovered and a nice profit was made by all. Ah, the beauty of mass > production! > > 15 years of so later, I imagine that the cost to make a cell phone is much > lower. My Blackberry Z10, which I think is wonderful and intuitive to use, > was free to me for a two year contract extension. It has an 8MB camera so > I no longer have a need for the Nicon Coolpix 2000 camera and the GPS > receiver in the car. The Z10 has more speed and memory then either of my > first two or three PC's I paid a king's ransom for. It just blows my > mind! And to think our favorite hobby is the collection and restoration of > ancient vacuum tube radios and electronics; it is just plain crazy. > > Is anyone collecting cellphones? I have a few early AMPS and DAMPS > Ericsson and other makers of cell phones, some NIB, some engineering > samples and some with only the circuit board, free for postage. If InfoAge > is interested, I'll throw in a cellphone schematic! > Jim > > > > ------------------------------ > *From:* Alex Magoun > *To:* njarc at mailman.qth.net > *Sent:* Wednesday, April 1, 2015 1:18 PM > *Subject:* [NJARC] Why the Internet didn't kill Radio Shack > > Per this Fortune reporter ( > http://fortune.com/2015/04/01/why-the-internet-did-not-kill-radio-shack/?xid=gn_editorspicks&google_editors_picks=true), > though I'm curious what the profit margin is/was on selling components to > restorers/DIYers/hackers/makers compared to cell phones. Besides, it was > selling, or trying to sell, consumer electronics at least 40 years ago. > > Alex > ~~~ > Alexander B. Magoun, Ph.D., Outreach Historian > IEEE History Center > at Stevens Institute of Technology > Samuel C. Williams Library 3rd Floor > Hoboken, NJ 07030-5991 > USA > > +1 732-981-3414 > a.b.magoun at ieee.org > www.ethw.org > @IEEEHistory > www.ieee.org/history_center > > IEEE - Advancing Technology for Humanity > > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > -------------- next part -------------- An HTML attachment was scrubbed... URL: From njarc at mailman.qth.net Wed Apr 1 22:14:05 2015 From: njarc at mailman.qth.net (Joe Connor via NJARC) Date: Thu, 2 Apr 2015 02:14:05 +0000 (UTC) Subject: [NJARC] Why the Internet didn't kill Radio Shack In-Reply-To: References: Message-ID: <956746636.3399921.1427940845816.JavaMail.yahoo@mail.yahoo.com> Ah, those big phones. The other night, I was watching the movie Wall Street, which was released in 1987. The Michael Douglas character is walking on the beach talking on his cell phone. The damned thing was the size of a World War II walkie-talkie. He looked like he was about to call in artillery fire or something. Joe Connor On Wednesday, April 1, 2015 10:09 PM, David Sica wrote: Jim, Collecting cellphones?? Nah, one's got to draw the line somewhere.? But then again...? I did have to keep my "bag phone" from 1985 or so. I used to drag it out occasionally to tease my kids when they started badgering me for newer, smaller phones.? -- Dave Sica Productions732-382-0618973-873-6347 On Wed, Apr 1, 2015 at 5:57 PM, wrote: Just remember Reply = Poster Reply All = Everyone _________________________________________________________ I can speak only for myself but I imagine that some on this list have had similar experiences with Radio Shack. First off, I have bought several scanners and shortwave receivers from them over the years and I have been happy with all of them.? They were worth what I paid and reliability was better then average, in my experience.? I guess up to about the year 2000 or so, buying components from RS was common for me.? But after they concentrated more and more on cellphones and the like and the component shelves dried up, I stopped going.? By then I had discovered Mouser and have used them and eBay for all of my component needs ever since. I don't really think that RS management was to blame, it is just the price of progress.? When you think about it, modern electronic products are now no longer repairable.? Pick and place surface mounted parts, not much bigger then ground pepper flakes, have made the cost to replace the end item so low that repair a thing of the past.? Not to mention that reliability is, for the most part so high that one gets tired of the old cell phone or what have you long before it fails. When I left the cell phone industry, the cost to manufacture a phone was around $300.? The most costly component was the six volt battery.? The production life cycle of the cell phone was 18 months.? The first three or so months, the phone sold for $300, the next three or so months it was at $100 or so.? In the last months of production, the phone was free for signing a new contract since all of the R&D and production cost had been recovered and a nice profit was made by all.? Ah, the beauty of mass production! 15 years of so later, I imagine that the cost to make a cell phone is much lower.? My Blackberry Z10, which I think is wonderful and intuitive to use, was free to me for a two year contract extension.? It has an 8MB camera so I no longer have a need for the Nicon Coolpix 2000 camera and the GPS receiver in the car.? The Z10 has more speed and memory then either of my first two or three PC's I paid a king's ransom for.? It just blows my mind!? And to think our favorite hobby is the collection and restoration of ancient vacuum tube radios and electronics; it is just plain crazy. Is anyone collecting cellphones?? I have a few early AMPS and DAMPS Ericsson and other makers of cell phones, some NIB, some engineering samples and some with only the circuit board, free for postage.? If InfoAge is interested, I'll throw in a cellphone schematic!Jim From: Alex Magoun To: njarc at mailman.qth.net Sent: Wednesday, April 1, 2015 1:18 PM Subject: [NJARC] Why the Internet didn't kill Radio Shack Per this Fortune reporter (http://fortune.com/2015/04/01/why-the-internet-did-not-kill-radio-shack/?xid=gn_editorspicks&google_editors_picks=true), though I'm curious what the profit margin is/was on selling components to restorers/DIYers/hackers/makers compared to cell phones.? Besides, it was selling, or trying to sell, consumer electronics at least 40 years ago. Alex ~~~ Alexander B. Magoun, Ph.D., Outreach Historian IEEE History Center at Stevens Institute of Technology Samuel C. Williams Library 3rd Floor Hoboken, NJ 07030-5991 USA +1 732-981-3414 a.b.magoun at ieee.org www.ethw.org at IEEEHistory www.ieee.org/history_center IEEE - Advancing Technology for Humanity Just remember Reply = Poster Reply All = Everyone _________________________________________________________ ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto:NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto:NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Just remember Reply = Poster Reply All = Everyone _________________________________________________________ ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto:NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From klancer2 at comcast.net Thu Apr 2 10:49:48 2015 From: klancer2 at comcast.net (Harry Klancer) Date: Thu, 02 Apr 2015 10:49:48 -0400 Subject: [NJARC] Why the Internet didn't kill Radio Shack In-Reply-To: <956746636.3399921.1427940845816.JavaMail.yahoo@mail.yahoo.com> References: <956746636.3399921.1427940845816.JavaMail.yahoo@mail.yahoo.com> Message-ID: <551D570C.3040607@comcast.net> Well, it just shows that not enough of you come to the museum. We have one of those, and a bagphone, and flip phones and some of the later cellphones too. And by the way Dave, here's a factoid for you. Consensus is that there are over 6 billion (with a b) cellphones -- and each one is a radio -- in the world. And did anybody say that radios (not radio) were a thing of the past. Harry K On 04/01/2015 10:14 PM, Joe Connor via NJARC wrote: > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > > Ah, those big phones. The other night, I was watching the movie Wall > Street, which was released in 1987. The Michael Douglas character is > walking on the beach talking on his cell phone. The damned thing was > the size of a World War II walkie-talkie. He looked like he was about > to call in artillery fire or something. > > Joe Connor > > > > On Wednesday, April 1, 2015 10:09 PM, David Sica > wrote: > > > > Jim, > > Collecting cellphones? Nah, one's got to draw the line > somewhere. But then again... I did have to keep my "bag phone" > from 1985 or so. I used to drag it out occasionally to tease my > kids when they started badgering me for newer, smaller phones. > > -- Dave > > Sica Productions > 732-382-0618 > 973-873-6347 > > > > On Wed, Apr 1, 2015 at 5:57 PM, > wrote: > > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > I can speak only for myself but I imagine that some on this > list have had similar experiences with Radio Shack. > > First off, I have bought several scanners and shortwave > receivers from them over the years and I have been happy with > all of them. They were worth what I paid and reliability was > better then average, in my experience. I guess up to about the > year 2000 or so, buying components from RS was common for me. > But after they concentrated more and more on cellphones and > the like and the component shelves dried up, I stopped going. > By then I had discovered Mouser and have used them and eBay > for all of my component needs ever since. > > I don't really think that RS management was to blame, it is > just the price of progress. When you think about it, modern > electronic products are now no longer repairable. Pick and > place surface mounted parts, not much bigger then ground > pepper flakes, have made the cost to replace the end item so > low that repair a thing of the past. Not to mention that > reliability is, for the most part so high that one gets tired > of the old cell phone or what have you long before it fails. > > When I left the cell phone industry, the cost to manufacture a > phone was around $300. The most costly component was the six > volt battery. The production life cycle of the cell phone was > 18 months. The first three or so months, the phone sold for > $300, the next three or so months it was at $100 or so. In > the last months of production, the phone was free for signing > a new contract since all of the R&D and production cost had > been recovered and a nice profit was made by all. Ah, the > beauty of mass production! > > 15 years of so later, I imagine that the cost to make a cell > phone is much lower. My Blackberry Z10, which I think is > wonderful and intuitive to use, was free to me for a two year > contract extension. It has an 8MB camera so I no longer have > a need for the Nicon Coolpix 2000 camera and the GPS receiver > in the car. The Z10 has more speed and memory then either of > my first two or three PC's I paid a king's ransom for. It just > blows my mind! And to think our favorite hobby is the > collection and restoration of ancient vacuum tube radios and > electronics; it is just plain crazy. > > Is anyone collecting cellphones? I have a few early AMPS and > DAMPS Ericsson and other makers of cell phones, some NIB, some > engineering samples and some with only the circuit board, free > for postage. If InfoAge is interested, I'll throw in a > cellphone schematic! > Jim > > > > ------------------------------------------------------------------------ > *From:* Alex Magoun > > *To:* njarc at mailman.qth.net > *Sent:* Wednesday, April 1, 2015 1:18 PM > *Subject:* [NJARC] Why the Internet didn't kill Radio Shack > > Per this Fortune reporter > (http://fortune.com/2015/04/01/why-the-internet-did-not-kill-radio-shack/?xid=gn_editorspicks&google_editors_picks=true), > though I'm curious what the profit margin is/was on selling > components to restorers/DIYers/hackers/makers compared to cell > phones. Besides, it was selling, or trying to sell, consumer > electronics at least 40 years ago. > > Alex > ~~~ > Alexander B. Magoun, Ph.D., Outreach Historian > IEEE History Center > at Stevens Institute of Technology > Samuel C. Williams Library 3rd Floor > Hoboken, NJ 07030-5991 > USA > > +1 732-981-3414 > a.b.magoun at ieee.org > www.ethw.org > @IEEEHistory > www.ieee.org/history_center > > IEEE - Advancing Technology for Humanity > > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: > http://www.qsl.net/donate.html > > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: > http://www.qsl.net/donate.html > > > > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > > > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From oldradio at comcast.net Thu Apr 2 11:08:42 2015 From: oldradio at comcast.net (oldradio at comcast.net) Date: Thu, 2 Apr 2015 15:08:42 +0000 (UTC) Subject: [NJARC] Radio Shack and telephones In-Reply-To: <551D570C.3040607@comcast.net> References: <956746636.3399921.1427940845816.JavaMail.yahoo@mail.yahoo.com> <551D570C.3040607@comcast.net> Message-ID: <2137792554.18780991.1427987322199.JavaMail.zimbra@comcast.net> 2000-2009 When my middle school classes had extra time, I would talk about ham radio, Titanic radios, telegraph, cellphones, etc. I would hold up a cell phone and ask how many had one - almost all did. then I would ask how many used the texting features, again almost all did. Then I would tell them that I texted when I was their age. I could always count on someone to say, "They didn't have cellphones when you were our age." - which opened the door about ham radio and Morse code. Eventually I would ask, is a cell phone a telephone or a radio? Of course they said telephone. Then I would explain the differences by example. I had a dial telephone with a wire on it connected to the wall, and said this is a telephone, it has a wire on it. It was fun. And so was it when they asked me how to dial a number on that "rotary' telephone, that there are no buttons on it. And the lessons continued. Now I occasionally see my old students in stores while shopping. They always say hello to me and tell me how they loved my classes. I'm a happy man. 73, John ----- Original Message ----- From: "Harry Klancer" To: "NJARC" Sent: Thursday, April 2, 2015 10:49:48 AM Subject: Re: [NJARC] Why the Internet didn't kill Radio Shack Well, it just shows that not enough of you come to the museum. We have one of those, and a bagphone, and flip phones and some of the later cellphones too. And by the way Dave, here's a factoid for you. Consensus is that there are over 6 billion (with a b) cellphones -- and each one is a radio -- in the world. And did anybody say that radios (not radio) were a thing of the past. Harry K From Chitose6970 at poetworld.net Thu Apr 2 11:27:03 2015 From: Chitose6970 at poetworld.net (E. Suhaka) Date: Thu, 02 Apr 2015 11:27:03 -0400 Subject: [NJARC] Why the Internet didn't kill Radio Shack In-Reply-To: References: <1489233011.3253039.1427925423358.JavaMail.yahoo@mail.yahoo.com> Message-ID: <551D5FC7.5020609@poetworld.net> No cellphone collecting? How about a code practice oscillator museum? http://www.n4mw.com/cpo.htm Ed N2COV On 4/1/2015 9:45 PM, David Sica wrote: > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > > > Jim, > > Collecting cellphones? Nah, one's got to draw the line somewhere. But > then again... I did have to keep my "bag phone" from 1985 or so. I used > to drag it out occasionally to tease my kids when they started badgering > me for newer, smaller phones. > > -- Dave > > Sica Productions > 732-382-0618 > 973-873-6347 > > > > On Wed, Apr 1, 2015 at 5:57 PM, > wrote: > > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > I can speak only for myself but I imagine that some on this list > have had similar experiences with Radio Shack. > > First off, I have bought several scanners and shortwave receivers > from them over the years and I have been happy with all of them. > They were worth what I paid and reliability was better then average, > in my experience. I guess up to about the year 2000 or so, buying > components from RS was common for me. But after they concentrated > more and more on cellphones and the like and the component shelves > dried up, I stopped going. By then I had discovered Mouser and have > used them and eBay for all of my component needs ever since. > > I don't really think that RS management was to blame, it is just the > price of progress. When you think about it, modern electronic > products are now no longer repairable. Pick and place surface > mounted parts, not much bigger then ground pepper flakes, have made > the cost to replace the end item so low that repair a thing of the > past. Not to mention that reliability is, for the most part so high > that one gets tired of the old cell phone or what have you long > before it fails. > > When I left the cell phone industry, the cost to manufacture a phone > was around $300. The most costly component was the six volt > battery. The production life cycle of the cell phone was 18 > months. The first three or so months, the phone sold for $300, the > next three or so months it was at $100 or so. In the last months of > production, the phone was free for signing a new contract since all > of the R&D and production cost had been recovered and a nice profit > was made by all. Ah, the beauty of mass production! > > 15 years of so later, I imagine that the cost to make a cell phone > is much lower. My Blackberry Z10, which I think is wonderful and > intuitive to use, was free to me for a two year contract extension. > It has an 8MB camera so I no longer have a need for the Nicon > Coolpix 2000 camera and the GPS receiver in the car. The Z10 has > more speed and memory then either of my first two or three PC's I > paid a king's ransom for. It just blows my mind! And to think our > favorite hobby is the collection and restoration of ancient vacuum > tube radios and electronics; it is just plain crazy. > > Is anyone collecting cellphones? I have a few early AMPS and DAMPS > Ericsson and other makers of cell phones, some NIB, some engineering > samples and some with only the circuit board, free for postage. If > InfoAge is interested, I'll throw in a cellphone schematic! > Jim > > > > ------------------------------------------------------------------------ > *From:* Alex Magoun > > *To:* njarc at mailman.qth.net > *Sent:* Wednesday, April 1, 2015 1:18 PM > *Subject:* [NJARC] Why the Internet didn't kill Radio Shack > > Per this Fortune reporter > (http://fortune.com/2015/04/01/why-the-internet-did-not-kill-radio-shack/?xid=gn_editorspicks&google_editors_picks=true), > though I'm curious what the profit margin is/was on selling > components to restorers/DIYers/hackers/makers compared to cell > phones. Besides, it was selling, or trying to sell, consumer > electronics at least 40 years ago. > > Alex > ~~~ > Alexander B. Magoun, Ph.D., Outreach Historian > IEEE History Center > at Stevens Institute of Technology > Samuel C. Williams Library 3rd Floor > Hoboken, NJ 07030-5991 > USA > > +1 732-981-3414 > a.b.magoun at ieee.org > www.ethw.org > @IEEEHistory > www.ieee.org/history_center > > IEEE - Advancing Technology for Humanity > > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > > > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > --- This email has been checked for viruses by Avast antivirus software. http://www.avast.com From antqradio at sbcglobal.net Thu Apr 2 13:42:04 2015 From: antqradio at sbcglobal.net (antqradio at sbcglobal.net) Date: Thu, 2 Apr 2015 17:42:04 +0000 (UTC) Subject: [NJARC] Need values for BL 42 D Ballast Resistor In-Reply-To: <1477471374.2962174.1427902303346.JavaMail.yahoo@mail.yahoo.com> References: <238321339.2928426.1427900533863.JavaMail.yahoo@mail.yahoo.com> <1477471374.2962174.1427902303346.JavaMail.yahoo@mail.yahoo.com> Message-ID: <739884030.3904271.1427996524673.JavaMail.yahoo@mail.yahoo.com> For whatever reason, this answer to Phil's question never appeared in my sent folder so if you already received this post, please excuse the reposting. Phil Decoding the number according to the Standard RMA Designation Code:B = ballast action for the pilot lightK = 6.3 volts @ 150 mA for brown beaded lamps, i.e. #40, #47, or 184742 = Total voltage drop of the ballast, including pilot lights, with 300 mA of currentD = wiring diagram It looks like one pilot lamp is between pins 7 & 8, a second pilot lamp is between pins 8 & 2, and the remaining 30 volts @ 300 mA is dropped between pins 2 & 1. Taking it a step further, the "hot" resistance between pins 7 & 8 and 8 & 2 would be 42 ohms and between 2 & 1 is 100 ohms. ?I would use a standard value 43 ohm metal or carbon film or perhaps wire wound resistor at 2 to 3 watts and a 100 ohm wire wound resistor at 20 watts for substitutes, if you are so inclined. ? Ballast substitutes are: KL-45, 23-55-1, 23-55-A, URB-004 and the JFD Type A with some modifications. ?I checked my stash of ballasts and unfortunately, I don't have what you need. I feel that the need for a ballast tube to regulate current in a radio has long passed. ?Perhaps from the 1930's to 1950's when the line voltage varied quite a bit from the 108 to 125 volt limits, the ballast tube was useful but now that is really not the case. ?There are so many more distribution transformers (pole pigs) now in use, do to the high demand for AC power. ?The line voltage now hovers, at least in my neighborhood, within a volt or two to the old maximum line voltage of 125 vac. ? Collins Radio says essentially the same thing in their R-390 Finial Engineering Report of September, 1953 but kept the ballast tube in the R-390 and R-390A because of the Signal Corps requirements for oscillator stability. ?The ballast tube (3TF7) did reduced the +- 15% line voltage variation specification to a 3% change in the oscillator tube heater voltages. ?But the Collins engineers felt that with the unknowns of tube ageing and all of the brouhaha of tube reliability in the early 1950's, it wasn't worth the effort to request a change in the spec.Jim From: Phil Vourtsis To: NJARC Reflector Sent: Wednesday, April 1, 2015 8:56 AM Subject: [NJARC] Need values for BL 42 D Ballast Resistor I picked up a GE J62 radio at the Charlotte AWA meet in beautiful condition. But one of the tube sockets was empty. Turns out it needs a ballast resistor. Does anyone have a list of these and what resistors values are? I'm looking for a BL 42 D. I checked the schematic and it shows 3 resistors but no values. Thanks,Phil V Just remember Reply = Poster Reply All = Everyone _________________________________________________________ ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto:NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From njarc at mailman.qth.net Thu Apr 2 20:02:26 2015 From: njarc at mailman.qth.net (Joe Connor via NJARC) Date: Fri, 3 Apr 2015 00:02:26 +0000 (UTC) Subject: [NJARC] More Radio Shack Closings Message-ID: <1772052319.4170228.1428019346382.JavaMail.yahoo@mail.yahoo.com> Here's the list of the next round of Radio Shack closings: http://www.hilcoglobal.com/docs/default-source/marketing/radio-shack-store-closing-locations-040215.pdf?sfvrsn=2 In my area, the stores in both Randolph and Parsippany are closing but it appears that the Madison store will survive. Joe Connor -------------- next part -------------- An HTML attachment was scrubbed... URL: From extrablues at nyc.rr.com Thu Apr 2 21:58:52 2015 From: extrablues at nyc.rr.com (extrablues at nyc.rr.com) Date: Thu, 2 Apr 2015 21:58:52 -0400 Subject: [NJARC] More Radio Shack Closings In-Reply-To: <1772052319.4170228.1428019346382.JavaMail.yahoo@mail.yahoo.com> References: <1772052319.4170228.1428019346382.JavaMail.yahoo@mail.yahoo.com> Message-ID: Yesterday I walked over to the one on 1st Ave. and 20th St. in Manhattan and it was gone, gone. First one I've seen closed around here. The others in the area were running their clearance sales last time I checked, don't know if they've shut down yet. On Apr 2, 2015, at 8:02 PM, Joe Connor via NJARC wrote: > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > Here's the list of the next round of Radio Shack closings: > > http://www.hilcoglobal.com/docs/default-source/marketing/radio-shack-store-closing-locations-040215.pdf?sfvrsn=2 > > In my area, the stores in both Randolph and Parsippany are closing but it appears that the Madison store will survive. > > Joe Connor > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From oldradio at comcast.net Sun Apr 5 17:56:50 2015 From: oldradio at comcast.net (oldradio at comcast.net) Date: Sun, 5 Apr 2015 21:56:50 +0000 (UTC) Subject: [NJARC] Does anybody know a "Nancy Erickson" In-Reply-To: <1523214947.20734355.1428270947780.JavaMail.zimbra@comcast.net> Message-ID: <1901721517.20734652.1428271010767.JavaMail.zimbra@comcast.net> Does anybody know .... Nancy Erickson added a new photo to the album Timeline Photos (27.4 KB) She is sending to our reflector and causing constant bounces. It needs to stop. 73, John Dilks, K2TQN Having fun smelling hot rosin and solder again. From louis2000 at att.net Tue Apr 7 10:09:14 2015 From: louis2000 at att.net (Louis) Date: Tue, 07 Apr 2015 10:09:14 -0400 Subject: [NJARC] VINTAGE PARTS 300,000 TUBES COM... In-Reply-To: References: Message-ID: <5523E50A.6080105@att.net> Forgot about this until today, just checked for the winning bid. http://offer.ebay.com/ws/eBayISAPI.dll?ViewBids&item=271790149719&rt=nc&_trksid=p2047675.l2565 Ended: Mar 10, 2015 02:49:54 PDT Winning bid: US $34,100.00 [ 25 bids ] (only 6 bidders) Shipping: $15,000.00 Expedited Shipping njarc-request at mailman.qth.net wrote: > Send NJARC mailing list submissions to > njarc at mailman.qth.net > > To subscribe or unsubscribe via the World Wide Web, visit > http://mailman.qth.net/mailman/listinfo/njarc > or, via email, send a message with subject or body 'help' to > njarc-request at mailman.qth.net > > You can reach the person managing the list at > njarc-owner at mailman.qth.net > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of NJARC digest..." > > > Visit our web site - See http://www.njarc.org > _______________________________________________ > > > Today's Topics: > 3. VINTAGE PARTS 300,000 TUBES COMPONENTS 6K SQ FT > (oldradio at comcast.net) > > > Message: 3 > Date: Sat, 7 Mar 2015 12:50:34 +0000 (UTC) > From: oldradio at comcast.net > To: NJARC , dvhrc , > CC-AWA > Subject: [NJARC] VINTAGE PARTS 300,000 TUBES COMPONENTS 6K SQ FT > Message-ID: > <1336533433.781506.1425732634820.JavaMail.zimbra at comcast.net> > Content-Type: text/plain; charset=utf-8 > > Hurry up and get your bid in...... > > http://www.ebay.com/itm/271790149719?rmvSB=true > > 73, John Dilks, K2TQN > www.k2tqn.com/ > Former Editor Vintage Radio Column, QST 2000-2014 > Having fun smelling hot rosin and solder again > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > NJARC mailing list > NJARC at mailman.qth.net > http://mailman.qth.net/mailman/listinfo/njarc > > > ------------------------------ > > End of NJARC Digest, Vol 131, Issue 6 > ************************************* > From mattr04 at hotmail.com Tue Apr 7 10:27:21 2015 From: mattr04 at hotmail.com (Matt Reynolds) Date: Tue, 7 Apr 2015 10:27:21 -0400 Subject: [NJARC] VINTAGE PARTS 300,000 TUBES COM... In-Reply-To: <5523E50A.6080105@att.net> References: , <5523E50A.6080105@att.net> Message-ID: Expedited shipping, $15,000! Not only do they need 300,000 tubes and parts, they need them NOW! Matt > Date: Tue, 7 Apr 2015 10:09:14 -0400 > From: louis2000 at att.net > To: njarc at mailman.qth.net > Subject: Re: [NJARC] VINTAGE PARTS 300,000 TUBES COM... > > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > Forgot about this until today, just checked for the winning bid. > > http://offer.ebay.com/ws/eBayISAPI.dll?ViewBids&item=271790149719&rt=nc&_trksid=p2047675.l2565 > > Ended: Mar 10, 2015 02:49:54 PDT > Winning bid: US $34,100.00 > [ 25 bids ] (only 6 bidders) > Shipping: $15,000.00 Expedited Shipping > > njarc-request at mailman.qth.net wrote: > > Send NJARC mailing list submissions to > > njarc at mailman.qth.net > > > > To subscribe or unsubscribe via the World Wide Web, visit > > http://mailman.qth.net/mailman/listinfo/njarc > > or, via email, send a message with subject or body 'help' to > > njarc-request at mailman.qth.net > > > > You can reach the person managing the list at > > njarc-owner at mailman.qth.net > > > > When replying, please edit your Subject line so it is more specific > > than "Re: Contents of NJARC digest..." > > > > > > Visit our web site - See http://www.njarc.org > > _______________________________________________ > > > > > > Today's Topics: > > 3. VINTAGE PARTS 300,000 TUBES COMPONENTS 6K SQ FT > > (oldradio at comcast.net) > > > > > > Message: 3 > > Date: Sat, 7 Mar 2015 12:50:34 +0000 (UTC) > > From: oldradio at comcast.net > > To: NJARC , dvhrc , > > CC-AWA > > Subject: [NJARC] VINTAGE PARTS 300,000 TUBES COMPONENTS 6K SQ FT > > Message-ID: > > <1336533433.781506.1425732634820.JavaMail.zimbra at comcast.net> > > Content-Type: text/plain; charset=utf-8 > > > > Hurry up and get your bid in...... > > > > http://www.ebay.com/itm/271790149719?rmvSB=true > > > > 73, John Dilks, K2TQN > > www.k2tqn.com/ > > Former Editor Vintage Radio Column, QST 2000-2014 > > Having fun smelling hot rosin and solder again > > ------------------------------ > > > > Subject: Digest Footer > > > > _______________________________________________ > > NJARC mailing list > > NJARC at mailman.qth.net > > http://mailman.qth.net/mailman/listinfo/njarc > > > > > > ------------------------------ > > > > End of NJARC Digest, Vol 131, Issue 6 > > ************************************* > > > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From radiorich at prodigy.net Tue Apr 7 11:57:55 2015 From: radiorich at prodigy.net (RICHARD LEE) Date: Tue, 7 Apr 2015 15:57:55 +0000 (UTC) Subject: [NJARC] April 10th Meeting this Friday at InFo Age Message-ID: <1771346470.1148251.1428422275982.JavaMail.yahoo@mail.yahoo.com> Greetings Fellow Enthusiasts, This is a reminder that our April 10th meeting is this Friday in building 9032A at InFo Age.? The agenda includes presentations by Al Klase on tips to using the club's "Reflector" and? Dave Sica, on navigating the NJARC website.? We will also have the final radio auction installment of the Harry Goehner estate.? See you all there!? Richard Lee? Pres. NJARC -------------- next part -------------- An HTML attachment was scrubbed... URL: From a.b.magoun at ieee.org Tue Apr 7 13:24:09 2015 From: a.b.magoun at ieee.org (Alex Magoun) Date: Tue, 7 Apr 2015 13:24:09 -0400 Subject: [NJARC] More Radio Shack Closings Message-ID: My son was ecstatic at spotting a live Radio Shack near Cape May on Saturday; it's the Cape May Courthouse branch on the latest list. Unfortunately we couldn't stop as local fluke and scallops awaited us at Junior's, so he's still looking for wires for his latest project. Alex ~~~ Alexander B. Magoun, Ph.D., Outreach Historian IEEE History Center at Stevens Institute of Technology Samuel C. Williams Library 3rd Floor Hoboken, NJ 07030-5991 USA +1 732-981-3414 a.b.magoun at ieee.org www.ethw.org @IEEEHistory www.ieee.org/history_center IEEE - Advancing Technology for Humanity -------------- next part -------------- An HTML attachment was scrubbed... URL: From etpapson at comcast.net Tue Apr 7 14:01:33 2015 From: etpapson at comcast.net (Ed Papson) Date: Tue, 7 Apr 2015 18:01:33 +0000 (UTC) Subject: [NJARC] More Radio Shack Closings In-Reply-To: References: Message-ID: <1965046895.16356520.1428429693966.JavaMail.zimbra@comcast.net> 04/07/2015 I enjoy my Radio-electronics hobby but Fluke & Scallops beats wire every time. ed KC2QBK ----- Original Message ----- My son was ecstatic at spotting a live Radio Shack near Cape May on Saturday; it's the Cape May Courthouse branch on the latest list. Unfortunately we couldn't stop as local fluke and scallops awaited us at Junior's, so he's still looking for wires for his latest project. Alex ~~~ -------------- next part -------------- An HTML attachment was scrubbed... URL: From njarc at mailman.qth.net Wed Apr 8 08:22:00 2015 From: njarc at mailman.qth.net (Joe Connor via NJARC) Date: Wed, 8 Apr 2015 12:22:00 +0000 (UTC) Subject: [NJARC] More Radio Shack Closings In-Reply-To: <1965046895.16356520.1428429693966.JavaMail.zimbra@comcast.net> References: <1965046895.16356520.1428429693966.JavaMail.zimbra@comcast.net> Message-ID: <1282134518.1803218.1428495720127.JavaMail.yahoo@mail.yahoo.com> Here's the latest Radio Shack rescue plan: ?http://www.washingtonpost.com/blogs/the-switch/wp/2015/04/07/radioshack-back-from-the-dead-wants-to-become-a-bodega-for-batteries/?tid=hpModule_79c38dfc-8691-11e2-9d71-f0feafdd1394&hpid=z14 Joe Connor ? On Tuesday, April 7, 2015 2:11 PM, Ed Papson wrote: 04/07/2015 I enjoy my Radio-electronics hobby but Fluke & Scallops beats wire every time. ed KC2QBK My son was ecstatic at spotting a live Radio Shack near Cape May on Saturday; it's the Cape May Courthouse branch on the latest list.? Unfortunately we couldn't stop as local fluke and scallops awaited us at Junior's, so he's still looking for wires for his latest project. Alex ~~~ Just remember Reply = Poster Reply All = Everyone _________________________________________________________ ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto:NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From mattr04 at hotmail.com Wed Apr 8 08:43:46 2015 From: mattr04 at hotmail.com (Matt Reynolds) Date: Wed, 8 Apr 2015 08:43:46 -0400 Subject: [NJARC] Helpful tips with Capacitors Message-ID: Hi, I have lots of newsletter subscriptions to various electronics parts places like Mouser, Digikey, etc. to watch for deals on electronics parts. Jameco sent out a newsletter this week with helpful tips on how to read Capacitor codes. At this point, it's probably a refresher for most of you, and the information is tailored more towards the caps you can buy today than the ones you may be replacing, but it's still useful information: http://www.jameco.com/Jameco/workshop/circuitnotes/CN-capacitors.html Another thing they shared which was somewhat amusing was a video of what happens when you do it wrong! They filmed capacitors under over-voltage or with reversed polarity with "go pro" style cameras and slowed it down so you can see what happens in slow motion. It's not clear just what they did (how much over voltage? how much amperage? etc.?), but it's still entertaining. Watch them do it so you don't have to experience it in person! http://www.jameco.com/Jameco/content/incorrectly-using-capacitors.html%20%20?trk_msg=T60FLNDU23345A5RPV27DULBFG&trk_contact=VAQR8QNK1ID40J7HJGA8K9E29S&utm_source=Listrak&utm_medium=Email&utm_term=poppingcaps&utm_campaign=NewsletterApril2015 Best Regards, Matt Capacitor\Resistor Program Chair 567-204-3850 capacitors at njarc.org -------------- next part -------------- An HTML attachment was scrubbed... URL: From jonsradioglow at centurylink.net Thu Apr 9 10:27:03 2015 From: jonsradioglow at centurylink.net (Jon ButzFiscina) Date: Thu, 9 Apr 2015 10:27:03 -0400 (EDT) Subject: [NJARC] donations delivery In-Reply-To: <773387498.54217465.1428589266588.JavaMail.root@centurylink.net> Message-ID: <399884044.54222990.1428589623663.JavaMail.root@centurylink.net> ?? There and back again, a radio collectors tail. Well, it was eventful. I stopped in Hot Springs Ark. and picked up a lot of fine items from Jim Wartenby he is donating to the club. I will be delivering it all at this Fridays meeting in info age. I will need some help off loading as some of the items are bulky. Thanks,? Jon B.F. -------------- next part -------------- An HTML attachment was scrubbed... URL: From fred-carl at infoage.org Thu Apr 9 11:26:38 2015 From: fred-carl at infoage.org (fred-carl. ) Date: Thu, 9 Apr 2015 11:26:38 -0400 Subject: [NJARC] Fwd: Electrostatic Hands-On Lab Activity Set References: <0.0.EF.735.1D072CA91563AA6.0@drone098.ral.icpbounce.com> Message-ID: <68C61EC9-F3AB-4DCA-8B20-C127B01C6342@infoage.org> Wow!!! Take a look. Let's create a wish list. Fun fun fun! Fred Sent from my iPad Begin forwarded message: > From: "NADA Scientific" > Date: April 9, 2015 at 9:39:14 AM EDT > To: > Subject: Electrostatic Hands-On Lab Activity Set > Reply-To: nadasciencenews at nadascientific.com > > > > April 8, 2015 > > > > The Complete Experiment Set For Static Genecon includes 8 distinct accessories to conduct a variety of electrostatic experiments. Using the Static GENECON, students will observe the outcome of each hands-on experiment. > > Consider using the popular Static GENECON that seamlessly connects to each experiment via the dedicated connecting cords and alligator clips. This versatile and transparent unit is great for all your static energy classroom labs. > > Contact us at sales at nadascientific.com with your questions or if you require a quote. Each activity can be individually purchased and we extend volume discounts. > > N99-B10-1324-01 Electric Pendulum > > > > N99-B10-1324-07 Moore's Motor > > > > N99-B10-1324-02 Hamilton Flywheel > > > > N99-P70-0745 3 Color Fluorescent Lamp > > > > Follow Us: > > NADA Scientific Ltd., PO Box 1336, Champlain NY 12919 > www.nadascientific.com > > > This message was sent to fred-carl at infoage.org from: > NADA Scientific | nadasciencenews at nadascientific.com | NADA Scientific | P.O. Box 1336 | Champlain, NY 12919 > Email Marketing by > > Unsubscribe -------------- next part -------------- An HTML attachment was scrubbed... URL: From njarc at mailman.qth.net Thu Apr 9 14:32:14 2015 From: njarc at mailman.qth.net (Marv Beeferman via NJARC) Date: Thu, 9 Apr 2015 14:32:14 -0400 Subject: [NJARC] NJARC Broadcaster - April Meeting Message-ID: <14c9f74326a-5336-48f81@webprd-a44.mail.aol.com> There will be no NJARC Broadcaster sent this month; sorry for the inconvenience. The April meeting will be held on April 10th at InfoAge at 7:30 where Dave Sica and Al Klase will talk about the NJARC website and Reflector. We'll also auction some radio-related books and the remainder of items from the Harry Goehner estate. Marv -------------- next part -------------- An HTML attachment was scrubbed... URL: From oldradio at comcast.net Sat Apr 11 12:39:03 2015 From: oldradio at comcast.net (oldradio at comcast.net) Date: Sat, 11 Apr 2015 16:39:03 +0000 (UTC) Subject: [NJARC] Welcome new members Message-ID: <479769259.1884914.1428770343660.JavaMail.zimbra@comcast.net> To email something to the reflector send it to this address: njarc at mailman.qth.net 73, John Dilks, K2TQN www.k2tqn.com/ Former Editor Vintage Radio Column, QST 2000-2014 Having fun smelling hot rosin and solder again From oldradio at comcast.net Sat Apr 11 12:51:49 2015 From: oldradio at comcast.net (oldradio at comcast.net) Date: Sat, 11 Apr 2015 16:51:49 +0000 (UTC) Subject: [NJARC] 1976 - Email before the Internet using a tape cassett In-Reply-To: <382366566.1889738.1428771008321.JavaMail.zimbra@comcast.net> Message-ID: <1457107038.1890261.1428771109710.JavaMail.zimbra@comcast.net> attached 73, John Dilks, K2TQN Having fun smelling hot rosin and solder again. -------------- next part -------------- A non-text attachment was scrubbed... Name: Cartoon1.jpg Type: image/jpeg Size: 363475 bytes Desc: not available URL: From ark at ar88.net Sat Apr 11 13:35:08 2015 From: ark at ar88.net (Al Klase) Date: Sat, 11 Apr 2015 13:35:08 -0400 Subject: [NJARC] 1976 - Email before the Internet using a tape cassett In-Reply-To: <1457107038.1890261.1428771109710.JavaMail.zimbra@comcast.net> References: <1457107038.1890261.1428771109710.JavaMail.zimbra@comcast.net> Message-ID: <55295B4C.8050709@ar88.net> John, I assume the cassette would conform to the "Kansas City Standard." (Geeze, i'm i that old?) Al Al Klase -- N3FRQ Jersey City, NJ http://www.skywaves.ar88.net/ On 4/11/2015 12:51 PM, oldradio at comcast.net wrote: > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > > attached > > 73, John Dilks, K2TQN > Having fun smelling hot rosin and solder again. > > > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From oldradio at comcast.net Sun Apr 12 14:16:42 2015 From: oldradio at comcast.net (oldradio at comcast.net) Date: Sun, 12 Apr 2015 18:16:42 +0000 (UTC) Subject: [NJARC] Fwd: Zenith Radio needs help In-Reply-To: <9ED8692C-A3CA-4DE8-9AA7-AE380DAA6756@comcast.net> References: <9ED8692C-A3CA-4DE8-9AA7-AE380DAA6756@comcast.net> Message-ID: <782357968.2370411.1428862602948.JavaMail.zimbra@comcast.net> Can anyone help Mike with a Zenith Trans Oceanic repair? Please answer Mike direct at: "Grumps" 73, John ----- Forwarded Message ----- From: "Grumps" To: k2tqn at arrl.org Sent: Sunday, April 12, 2015 12:49:43 PM Subject: Zenith Radio needs help Hello. My friend has a Zenith Trans Oceanic that needs repair. I am willing to ship or deliver it from my home in Marlton, NJ, and pay for repair. Can you recommend someone? None of the filaments light up. Power cord is connected properly. It apparently has been repaired at least once before, judging by what looks like some newer capacitors. Thanks very much, Mike WB2LKO Mike Slepian Sent from my Aye phone From njarc at mailman.qth.net Wed Apr 15 12:21:54 2015 From: njarc at mailman.qth.net (Joe Connor via NJARC) Date: Wed, 15 Apr 2015 16:21:54 +0000 (UTC) Subject: [NJARC] Auction (4/25) Message-ID: <1540905207.3633572.1429114914785.JavaMail.yahoo@mail.yahoo.com> Someone just posted this auction, scheduled for 4/25/15 in Philipsburg, on the ARF. http://www.auctionzip.com/cgi-bin/photopanel.cgi?listingid=2420861&category=0&zip=&kwd=radio Some pretty cool stuff. I?won't be able to make it but if anyone buys the Hallicrafters S-27 (the one with the wrong tuning and bandswitch knobs) or the neat little boatanchor on top of the Sylvania tube caddy (the one with no knobs), please let me know and perhaps we can work out a quick re-sale.? Standard disclaimer: I have no connection to this sale. I'm just passing the information along. Joe Connor? -------------- next part -------------- An HTML attachment was scrubbed... URL: From dave at sicaproductions.com Wed Apr 15 13:41:41 2015 From: dave at sicaproductions.com (David Sica) Date: Wed, 15 Apr 2015 13:41:41 -0400 Subject: [NJARC] Auction (4/25) In-Reply-To: <1540905207.3633572.1429114914785.JavaMail.yahoo@mail.yahoo.com> References: <1540905207.3633572.1429114914785.JavaMail.yahoo@mail.yahoo.com> Message-ID: Auction includes the ultra-rare Teal Kiel! Sica Productions 732-382-0618 973-873-6347 On Wed, Apr 15, 2015 at 12:21 PM, Joe Connor via NJARC < njarc at mailman.qth.net> wrote: > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > Someone just posted this auction, scheduled for 4/25/15 in Philipsburg, on > the ARF. > > > http://www.auctionzip.com/cgi-bin/photopanel.cgi?listingid=2420861&category=0&zip=&kwd=radio > > Some pretty cool stuff. I won't be able to make it but if anyone buys the > Hallicrafters S-27 (the one with the wrong tuning and bandswitch knobs) or > the neat little boatanchor on top of the Sylvania tube caddy (the one with > no knobs), please let me know and perhaps we can work out a quick re-sale. > > > Standard disclaimer: I have no connection to this sale. I'm just passing > the information along. > > Joe Connor > > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > -------------- next part -------------- An HTML attachment was scrubbed... URL: From njarc at mailman.qth.net Wed Apr 15 13:47:31 2015 From: njarc at mailman.qth.net (William Overbeck via NJARC) Date: Wed, 15 Apr 2015 13:47:31 -0400 Subject: [NJARC] Auction (4/25) In-Reply-To: Message-ID: <14cbe31660b-358b-27a9e@webprd-a87.mail.aol.com> A Real Teal Kiel or a repro? -----Original Message----- From: David Sica To: Joe Connor Cc: NJARC Reflector Sent: Wed, Apr 15, 2015 1:42 pm Subject: Re: [NJARC] Auction (4/25) Just remember Reply = Poster Reply All = Everyone _________________________________________________________ Auction includes the ultra-rare Teal Kiel! Sica Productions 732-382-0618 973-873-6347 On Wed, Apr 15, 2015 at 12:21 PM, Joe Connor via NJARC wrote: Just remember Reply = Poster Reply All = Everyone _________________________________________________________ Someone just posted this auction, scheduled for 4/25/15 in Philipsburg, on the ARF. http://www.auctionzip.com/cgi-bin/photopanel.cgi?listingid=2420861&category=0&zip=&kwd=radio Some pretty cool stuff. I won't be able to make it but if anyone buys the Hallicrafters S-27 (the one with the wrong tuning and bandswitch knobs) or the neat little boatanchor on top of the Sylvania tube caddy (the one with no knobs), please let me know and perhaps we can work out a quick re-sale. Standard disclaimer: I have no connection to this sale. I'm just passing the information along. Joe Connor ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto: NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto:NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From njarc at mailman.qth.net Wed Apr 15 13:59:08 2015 From: njarc at mailman.qth.net (Joe Connor via NJARC) Date: Wed, 15 Apr 2015 17:59:08 +0000 (UTC) Subject: [NJARC] Auction (4/25) In-Reply-To: <14cbe31660b-358b-27a9e@webprd-a87.mail.aol.com> References: <14cbe31660b-358b-27a9e@webprd-a87.mail.aol.com> Message-ID: <1260492132.3712595.1429120748780.JavaMail.yahoo@mail.yahoo.com> Apparently, that kind of desecration is now called "shabby chic."?http://cnj.craigslist.org/fod/4973768404.html ????????????Joe Connor On Wednesday, April 15, 2015 1:47 PM, William Overbeck wrote: A Real Teal Kiel or a repro? -----Original Message----- From: David Sica To: Joe Connor Cc: NJARC Reflector Sent: Wed, Apr 15, 2015 1:42 pm Subject: Re: [NJARC] Auction (4/25) Just remember Reply = Poster Reply All = Everyone _________________________________________________________ Auction includes the ultra-rare Teal Kiel! Sica Productions 732-382-0618 973-873-6347 On Wed, Apr 15, 2015 at 12:21 PM, Joe Connor via NJARC wrote: Just remember Reply = Poster Reply All = Everyone _________________________________________________________ Someone just posted this auction, scheduled for 4/25/15 in Philipsburg, on the ARF. http://www.auctionzip.com/cgi-bin/photopanel.cgi?listingid=2420861&category=0&zip=&kwd=radio Some pretty cool stuff. I?won't be able to make it but if anyone buys the Hallicrafters S-27 (the one with the wrong tuning and bandswitch knobs) or the neat little boatanchor on top of the Sylvania tube caddy (the one with no knobs), please let me know and perhaps we can work out a quick re-sale.? Standard disclaimer: I have no connection to this sale. I'm just passing the information along. Joe Connor ? ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto: NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto:NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From n4fs at eozinc.com Wed Apr 15 14:27:10 2015 From: n4fs at eozinc.com (Mike Feher) Date: Wed, 15 Apr 2015 14:27:10 -0400 Subject: [NJARC] Auction (4/25) References: <14cbe31660b-358b-27a9e@webprd-a87.mail.aol.com> Message-ID: <0c8301d077a9$c9972a90$5cc57fb0$@eozinc.com> Just looked like a regular Kiel 55 that was painted. But, I am not an AK expert, but had several Kiels over the years. 73 - Mike Mike B. Feher, N4FS 89 Arnold Blvd. Howell, NJ, 07731 732-886-5960 _________________________________________________________ From radiorich at prodigy.net Fri Apr 17 23:42:42 2015 From: radiorich at prodigy.net (RICHARD LEE) Date: Sat, 18 Apr 2015 03:42:42 +0000 (UTC) Subject: [NJARC] Sad News.... Message-ID: <2133587194.5611893.1429328562144.JavaMail.yahoo@mail.yahoo.com> Sad Greetings Fellow Enthusiasts, ...This past week,? educator, world traveler, and long time club member,? Dr. Dick Hurff..AKA...Mr. Majestic...passed away.?? When? arrangements are finalized, I will post them here, on our Reflector.? Richard Lee..Pres. NJARC -------------- next part -------------- An HTML attachment was scrubbed... URL: From tubeularelectronics at gmail.com Sat Apr 18 11:01:15 2015 From: tubeularelectronics at gmail.com (John Tyminski) Date: Sat, 18 Apr 2015 11:01:15 -0400 Subject: [NJARC] Sad News.... In-Reply-To: References: <2133587194.5611893.1429328562144.JavaMail.yahoo@mail.yahoo.com> Message-ID: Very sad RIP John T On Apr 18, 2015 10:52 AM, "John Tyminski" wrote: > Very sad Rip > John t > On Apr 17, 2015 11:43 PM, "RICHARD LEE" wrote: > >> Just remember >> Reply = Poster >> Reply All = Everyone >> >> _________________________________________________________ >> >> Sad Greetings Fellow Enthusiasts, ...This past week, educator, world >> traveler, and long time club member, Dr. Dick Hurff..AKA...Mr. >> Majestic...passed away. When arrangements are finalized, I will post >> them here, on our Reflector. Richard Lee..Pres. NJARC >> >> ______________________________________________________________ >> NJARC mailing list >> Home: http://mailman.qth.net/mailman/listinfo/njarc >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:NJARC at mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> > -------------- next part -------------- An HTML attachment was scrubbed... URL: From retevis at comcast.net Sun Apr 19 22:49:57 2015 From: retevis at comcast.net (Retevis) Date: Sun, 19 Apr 2015 22:49:57 -0400 Subject: [NJARC] In 2017, Norway will be first country to shut down FM radio | The Verge Message-ID: <1A02F9DF-E4CD-4401-9971-BB70A0CD9B7F@comcast.net> http://www.theverge.com/2015/4/19/8453165/norway-end-fm-radio-2017 Sent from Bob's iPhone From radiorich at prodigy.net Sun Apr 19 23:05:05 2015 From: radiorich at prodigy.net (RICHARD LEE) Date: Mon, 20 Apr 2015 03:05:05 +0000 (UTC) Subject: [NJARC] "Mr. Majestic's" Funeral Arrangements Message-ID: <466265038.28825.1429499105967.JavaMail.yahoo@mail.yahoo.com> Greetings Fellow Enthusiasts, just to inform you,? member Dick Hurff's wake/funeral will be held this Tuesday morning starting at 10am, at the Mt. Laurel Home For Funerals 212 Ark Road Mount Laurel N.J. 08054.? The family has asked only close friends and relatives to attend.? There is talk of a memorial service for friends and associates in the near future.? You can read an Obit/Bio on the funeral home's website?? MOUNT LAUREL FOR FUNERALS INC. | ? | | ? | ? | ? | ? | ? | | MOUNT LAUREL FOR FUNERALS INC.Thank you for visiting the Mount Laurel Home for Funerals website. Founded by David J. Petaccio, Sr., we have been a cornerstone in the Mount Laurel community since 1992. | | | | View on www.mountlaurelfuneralhome.com | Preview by Yahoo | | | | ? | ? -------------- next part -------------- An HTML attachment was scrubbed... URL: From njarc at mailman.qth.net Mon Apr 20 12:48:12 2015 From: njarc at mailman.qth.net (Joe Devonshire via NJARC) Date: Mon, 20 Apr 2015 12:48:12 -0400 Subject: [NJARC] Gramovox Bluetooth Gramophone Message-ID: Ok, now at $399.99, it's more than I care to spend. On the other hand, it's an interesting concept. Joe Devonshire _Gramovox Bluetooth Gramophone_ (http://www.gramovox.com/products/gramovox-bluetooth-gramophone) -------------- next part -------------- An HTML attachment was scrubbed... URL: From retevis at comcast.net Mon Apr 20 13:08:54 2015 From: retevis at comcast.net (Retevis) Date: Mon, 20 Apr 2015 13:08:54 -0400 Subject: [NJARC] Gramovox Bluetooth Gramophone In-Reply-To: References: Message-ID: I think I saw these on Etsy about a year ago at 599. Maybe the price is coming down. Sent from Bob's iPhone > On Apr 20, 2015, at 12:48 PM, Joe Devonshire via NJARC wrote: > > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > Ok, now at $399.99, it's more than I care to spend. On the other hand, it's an interesting concept. > > Joe Devonshire > > > Gramovox Bluetooth Gramophone > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From Chitose6970 at poetworld.net Mon Apr 20 17:22:51 2015 From: Chitose6970 at poetworld.net (E. Suhaka) Date: Mon, 20 Apr 2015 17:22:51 -0400 Subject: [NJARC] In 2017, Norway will be first country to shut down FM radio Message-ID: <55356E2B.3080804@poetworld.net> Interesting article: http://www.theverge.com/2015/4/19/8453165/norway-end-fm-radio-2017 TV went digital, any chance that the US will follow suit with FM? Ed N2COV --- This email has been checked for viruses by Avast antivirus software. http://www.avast.com From ahunter01 at comcast.net Mon Apr 20 20:19:29 2015 From: ahunter01 at comcast.net (Aaron Hunter) Date: Mon, 20 Apr 2015 20:19:29 -0400 Subject: [NJARC] Gramovox Bluetooth Gramophone In-Reply-To: References: Message-ID: <55359791.6020204@comcast.net> I just connect one of my cone or horn speakers or phonograph adapter to a matching transformer and my stereo. (Found that a 12 volt filament transformer works.) More fun to play the real deal though. Aaron Hunter Retevis wrote: > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > > ------------------------------------------------------------------------ > > I think I saw these on Etsy about a year ago at 599. Maybe the price > is coming down. > > Sent from Bob's iPhone > > On Apr 20, 2015, at 12:48 PM, Joe Devonshire via NJARC > > wrote: > >> Just remember >> Reply = Poster >> Reply All = Everyone >> >> _________________________________________________________ >> Ok, now at $399.99, it's more than I care to spend. On the other >> hand, it's an interesting concept. >> >> Joe Devonshire >> >> >> Gramovox Bluetooth Gramophone >> >> ______________________________________________________________ >> NJARC mailing list >> Home: http://mailman.qth.net/mailman/listinfo/njarc >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:NJARC at mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html > ------------------------------------------------------------------------ > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From thomas_v_lee at hotmail.com Mon Apr 20 23:43:21 2015 From: thomas_v_lee at hotmail.com (Thomas Lee) Date: Mon, 20 Apr 2015 23:43:21 -0400 Subject: [NJARC] In 2017, Norway will be first country to shut down FM radio In-Reply-To: <55356E2B.3080804@poetworld.net> References: <55356E2B.3080804@poetworld.net> Message-ID: The US is already broadcasting in FM in a digital format, along with analog. Called "HD Radio", on my SUV radio you can view the song titles, station's I.D. etc. I'm sure it's just a matter of time before analog radio will go by the wayside as TV has :( Tom _________________________________________________________ Interesting article: http://www.theverge.com/2015/4/19/8453165/norway-end-fm-radio-2017 TV went digital, any chance that the US will follow suit with FM? Ed N2COV -------------- next part -------------- An HTML attachment was scrubbed... URL: From antqradio at sbcglobal.net Tue Apr 21 01:17:12 2015 From: antqradio at sbcglobal.net (antqradio at sbcglobal.net) Date: Tue, 21 Apr 2015 05:17:12 +0000 (UTC) Subject: [NJARC] In 2017, Norway will be first country to shut down FM radio In-Reply-To: References: Message-ID: <1093102338.462584.1429593432548.JavaMail.yahoo@mail.yahoo.com> What is gained by scrapping FM modulation and going to an all digital format? ?Admittedly, it might possibly add more content beyond FM stereo and other pilot carrier formats already in place but it doesn't appear to have any better signal quality. ?So is this just a quantity versus quality issue? When TV went digital in the US, we lost the frequencies below channel 7 and above channel 69 all of which were reallocated to other services. ?Similar savings do not appear to be in store for the FM radio band. BTW, the "HD Radio" technology can also be used on the AM band according to Wikipedia where there is an improvement in fidelity and the addition of stereo programming using a bit more then the original AM channel bandwidth. Getting back to the original question asked by Ed, it seems that there are no plans at this time to abandon FM in the US. ?But I guess this could change at any time. ?It is kind of sobering to realize that all of the radios I have collected over the years will go the way of spark technology if digital prevails and replaces AM and FM modulation.Jim From: Thomas Lee To: "njarc at mailman.qth.net" Sent: Monday, April 20, 2015 10:43 PM Subject: Re: [NJARC] In 2017, Norway will be first country to shut down FM radio #yiv4682924533 #yiv4682924533 --.yiv4682924533hmmessage P{margin:0px;padding:0px;}#yiv4682924533 body.yiv4682924533hmmessage{font-size:12pt;font-family:Calibri;}#yiv4682924533 The US is already broadcasting in FM in a digital format, along with analog.? Called "HD Radio", on my SUV radio you can view the song titles, station's I.D. etc.? I'm sure it's just a matter of time before analog radio will go by the wayside as TV has :( Tom ?_________________________________________________________ ?Interesting article: ? ?http://www.theverge.com/2015/4/19/8453165/norway-end-fm-radio-2017 ? ?TV went digital, any chance that the US will follow suit with FM? ? ?Ed ?N2COV Just remember Reply = Poster Reply All = Everyone _________________________________________________________ ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto:NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From rob.a.reifenheiser at gmail.com Tue Apr 21 07:24:32 2015 From: rob.a.reifenheiser at gmail.com (Rob Reifenheiser) Date: Tue, 21 Apr 2015 07:24:32 -0400 Subject: [NJARC] Sad News.... In-Reply-To: References: <2133587194.5611893.1429328562144.JavaMail.yahoo@mail.yahoo.com> Message-ID: I thought a quick shout out for Mr. Majestic was appropriate. I am finishing up a Majestic 1250 now with some advice from Dick on color. My gut told me this was not a walnut radio, and Mr. Majestic confirmed it came in a brighter oak. Just replaced some missing veneer and I am about to apply some golden oak stain. Made me think of him. He was a real nice guy and a little bit of him will live on within this radio. Rob Just remember Reply = Poster Reply All = Everyone _________________________________________________________ Very sad RIP John T On Apr 18, 2015 10:52 AM, "John Tyminski" wrote: > Very sad Rip > John t > On Apr 17, 2015 11:43 PM, "RICHARD LEE" wrote: > >> Just remember >> Reply = Poster >> Reply All = Everyone >> >> _________________________________________________________ >> >> Sad Greetings Fellow Enthusiasts, ...This past week, educator, world >> traveler, and long time club member, Dr. Dick Hurff..AKA...Mr. >> Majestic...passed away. When arrangements are finalized, I will post >> them here, on our Reflector. Richard Lee..Pres. NJARC >> >> ______________________________________________________________ >> NJARC mailing list >> Home: http://mailman.qth.net/mailman/listinfo/njarc >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:NJARC at mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html >> > ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto:NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: -------------- next part -------------- A non-text attachment was scrubbed... Name: 20150420_203856.jpg Type: image/jpeg Size: 3369363 bytes Desc: not available URL: From louis2000 at att.net Tue Apr 21 10:35:08 2015 From: louis2000 at att.net (Louis) Date: Tue, 21 Apr 2015 10:35:08 -0400 Subject: [NJARC] In 2017, Norway will be first country to shut down FM radio In-Reply-To: References: Message-ID: <5536601C.6090008@att.net> > any chance that the US will follow suit with FM? "There are no plans to abandon analog radio in the U.S., Dennis Wharton (an executive vice president at the NAB) said." http://www.bloomberg.com/news/articles/2015-04-20/norway-to-turn-off-analog-fm-radio-in-sign-of-global-shift (I don't put much stock in his comment. If there's money to be made, someone will do what it takes to make it, i.e., bribe Congress, pressure the FCC, etc... Look at how Comcast is getting their way) > I'm sure it's just a matter of time before analog radio will go by the wayside as TV has :( http://en.wikipedia.org/wiki/IBiquity "IBOC can operate on both AM band and FM band broadcasts either in a digital-only mode, or in a "hybrid" digital+analog mode. Most broadcasters for the foreseeable future WILL use the hybrid method" Great for sound quality, bad for DXing. I can't hear a thin' besides WOR on 710 because their IBOC signal wipes out every other station on that frequency. njarc-request at mailman.qth.net wrote: > Send NJARC mailing list submissions to > njarc at mailman.qth.net > > To subscribe or unsubscribe via the World Wide Web, visit > http://mailman.qth.net/mailman/listinfo/njarc > or, via email, send a message with subject or body 'help' to > njarc-request at mailman.qth.net > > You can reach the person managing the list at > njarc-owner at mailman.qth.net > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of NJARC digest..." > > > Visit our web site - See http://www.njarc.org > _______________________________________________ > > > Today's Topics: > > 1. In 2017, Norway will be first country to shut down FM radio > (E. Suhaka) > 2. Re: Gramovox Bluetooth Gramophone (Aaron Hunter) > 3. Re: In 2017, Norway will be first country to shut down FM > radio (Thomas Lee) > 4. Re: In 2017, Norway will be first country to shut down FM > radio (antqradio at sbcglobal.net) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Mon, 20 Apr 2015 17:22:51 -0400 > From: "E. Suhaka" > To: New Jersey Antique Radio Club > Subject: [NJARC] In 2017, Norway will be first country to shut down FM > radio > Message-ID: <55356E2B.3080804 at poetworld.net> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Interesting article: > > http://www.theverge.com/2015/4/19/8453165/norway-end-fm-radio-2017 > > TV went digital, any chance that the US will follow suit with FM? > > Ed > N2COV > > > > > --- > This email has been checked for viruses by Avast antivirus software. > http://www.avast.com > > > > ------------------------------ > > Message: 2 > Date: Mon, 20 Apr 2015 20:19:29 -0400 > From: Aaron Hunter > Cc: "dvhrc at mailman.qth.net" , > "njarc at mailman.qth.net" > Subject: Re: [NJARC] Gramovox Bluetooth Gramophone > Message-ID: <55359791.6020204 at comcast.net> > Content-Type: text/plain; charset="utf-8"; Format="flowed" > > I just connect one of my cone or horn speakers or phonograph adapter to > a matching transformer and my stereo. (Found that a 12 volt filament > transformer works.) > > More fun to play the real deal though. > > Aaron Hunter > > > Retevis wrote: >> Just remember >> Reply = Poster >> Reply All = Everyone >> >> _________________________________________________________ >> >> >> ------------------------------------------------------------------------ >> >> I think I saw these on Etsy about a year ago at 599. Maybe the price >> is coming down. >> >> Sent from Bob's iPhone >> >> On Apr 20, 2015, at 12:48 PM, Joe Devonshire via NJARC >> > wrote: >> >>> Just remember >>> Reply = Poster >>> Reply All = Everyone >>> >>> _________________________________________________________ >>> Ok, now at $399.99, it's more than I care to spend. On the other >>> hand, it's an interesting concept. >>> >>> Joe Devonshire >>> >>> >>> Gramovox Bluetooth Gramophone >>> >>> ______________________________________________________________ >>> NJARC mailing list >>> Home: http://mailman.qth.net/mailman/listinfo/njarc >>> Help: http://mailman.qth.net/mmfaq.htm >>> Post: mailto:NJARC at mailman.qth.net >>> >>> This list hosted by: http://www.qsl.net >>> Please help support this email list: http://www.qsl.net/donate.html >> ------------------------------------------------------------------------ >> >> ______________________________________________________________ >> NJARC mailing list >> Home: http://mailman.qth.net/mailman/listinfo/njarc >> Help: http://mailman.qth.net/mmfaq.htm >> Post: mailto:NJARC at mailman.qth.net >> >> This list hosted by: http://www.qsl.net >> Please help support this email list: http://www.qsl.net/donate.html > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > > ------------------------------ > > Message: 3 > Date: Mon, 20 Apr 2015 23:43:21 -0400 > From: Thomas Lee > To: "njarc at mailman.qth.net" > Subject: Re: [NJARC] In 2017, Norway will be first country to shut > down FM radio > Message-ID: > Content-Type: text/plain; charset="iso-8859-1" > > The US is already broadcasting in FM in a digital format, along with analog. Called "HD Radio", on my SUV radio you can view the song titles, station's I.D. etc. I'm sure it's just a matter of time before analog radio will go by the wayside as TV has :( > > Tom > _________________________________________________________ > Interesting article: > > http://www.theverge.com/2015/4/19/8453165/norway-end-fm-radio-2017 > > TV went digital, any chance that the US will follow suit with FM? > > Ed > N2COV > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > > ------------------------------ > > Message: 4 > Date: Tue, 21 Apr 2015 05:17:12 +0000 (UTC) > From: > To: "njarc at mailman.qth.net" > Subject: Re: [NJARC] In 2017, Norway will be first country to shut > down FM radio > Message-ID: > <1093102338.462584.1429593432548.JavaMail.yahoo at mail.yahoo.com> > Content-Type: text/plain; charset="utf-8" > > What is gained by scrapping FM modulation and going to an all digital format? ?Admittedly, it might possibly add more content beyond FM stereo and other pilot carrier formats already in place but it doesn't appear to have any better signal quality. ?So is this just a quantity versus quality issue? > When TV went digital in the US, we lost the frequencies below channel 7 and above channel 69 all of which were reallocated to other services. ?Similar savings do not appear to be in store for the FM radio band. > BTW, the "HD Radio" technology can also be used on the AM band according to Wikipedia where there is an improvement in fidelity and the addition of stereo programming using a bit more then the original AM channel bandwidth. > Getting back to the original question asked by Ed, it seems that there are no plans at this time to abandon FM in the US. ?But I guess this could change at any time. ?It is kind of sobering to realize that all of the radios I have collected over the years will go the way of spark technology if digital prevails and replaces AM and FM modulation.Jim > From: Thomas Lee > To: "njarc at mailman.qth.net" > Sent: Monday, April 20, 2015 10:43 PM > Subject: Re: [NJARC] In 2017, Norway will be first country to shut down FM radio > > #yiv4682924533 #yiv4682924533 --.yiv4682924533hmmessage P{margin:0px;padding:0px;}#yiv4682924533 body.yiv4682924533hmmessage{font-size:12pt;font-family:Calibri;}#yiv4682924533 The US is already broadcasting in FM in a digital format, along with analog.? Called "HD Radio", on my SUV radio you can view the song titles, station's I.D. etc.? I'm sure it's just a matter of time before analog radio will go by the wayside as TV has :( > > Tom > > > ?_________________________________________________________ > ?Interesting article: > ? > ?http://www.theverge.com/2015/4/19/8453165/norway-end-fm-radio-2017 > ? > ?TV went digital, any chance that the US will follow suit with FM? > ? > ?Ed > ?N2COV > > > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > NJARC mailing list > NJARC at mailman.qth.net > http://mailman.qth.net/mailman/listinfo/njarc > > > ------------------------------ > > End of NJARC Digest, Vol 132, Issue 12 > ************************************** > From a.b.magoun at ieee.org Tue Apr 21 13:35:15 2015 From: a.b.magoun at ieee.org (Alex Magoun) Date: Tue, 21 Apr 2015 13:35:15 -0400 Subject: [NJARC] Radio history in Pulitzer Prize novel Message-ID: FYI, this year's fiction prize goes to a novel about WW2 involving a German boy with a talent for radio: www.pulitzer.org/works/2015-Fiction. Alex ~~~ Alexander B. Magoun, Ph.D., Outreach Historian IEEE History Center at Stevens Institute of Technology Samuel C. Williams Library 3rd Floor Hoboken, NJ 07030-5991 USA +1 732-981-3414 a.b.magoun at ieee.org www.ethw.org @IEEEHistory www.ieee.org/history_center IEEE - Advancing Technology for Humanity -------------- next part -------------- An HTML attachment was scrubbed... URL: From njarc at mailman.qth.net Thu Apr 23 20:56:56 2015 From: njarc at mailman.qth.net (Joe Devonshire via NJARC) Date: Thu, 23 Apr 2015 20:56:56 -0400 Subject: [NJARC] (no subject) Message-ID: <992b6.23e120c0.426aeed8@aol.com> Has anyone had any experience with this product or other products from this company? Good / Bad. etc... Joe Devonshire http://glass-ware.stores.yahoo.net/ps2solo.html _ GlassWare Audio Design_ (http://glass-ware.stores.yahoo.net/index.html) Thanks for supporting the Tube CAD Journal SEARCH _Home_ (http://glass-ware.stores.yahoo.net/index.html) > PS-2 Solo The same regulator the PS-1 uses, but without the heater PS PS-2 Solo Item# PS-2 Reg Kit $39.00 Heat Sink Height: Availability: Usually ships the next business day This item is currently out of stock! Product Description No doubt that this little circuit board (4.5 by 4.25 inches) will make life quite a bit easier for many tube fanciers. On this extra thick (0.094 inch), US-made PCB with 2oz-copper traces resides a single high-voltage regulator, with its own raw power supply, including the rectifiers and power-supply reservoir capacitors. In other words, except for the power transformers, the PS-2 Solo PCB holds all that is needed to make a superb tube B+ power supply. The PS-2 Solo regulator can power a line-stage amplifier, headphone amplifier, or phono stage. (It might also work in a tube power amplifier, if the current draw isn?t excessive.) This high-voltage regulator uses a high-voltage series regulator to achieve a quiet and stable regulated B+ voltage, which can span from 50V to 300V, while delivering up to 80mA of current. Furthermore, both a full-wave-center-tapped configuration and a full-wave-bridge rectifier arrangement can be used with this PCB. The PS-2 Solo PCB, like the Janus Solo PCB, holds only a single high voltage regulator, unlike the original PS-1 regulator PCB which held both high voltage and low-voltage regulators. Thus, the tube heaters must find their power source elsewhere, such as an AC winding or a simple DC power supply or regulator power supply. The PS-2 Solo kit comes with all the parts needed to populate the PCB, including the heat sink, standoffs, and 14 voltage-setting resistors, which allows the following output voltages to be set: 50V 60V 65V 75V 110V 120V 125V 130V 135V 140V 150V 160V 165V 170V 175V 180V 185V 195V 200V 210V 215V 220V 225V 240V 250V 270V 300V All the resistors needed All the capacitors needed (Nichicon, Panasonic, RTI or Wima) LD1085 low-dropout voltage regulator Heatsinks for TO220 device Four sets of PCB standoffs with O-rings Four HER108 ultrafast 1A 1000V rectifiers IXCP 10M45S HV constant-current source 24-Page User Guide -------------- next part -------------- An HTML attachment was scrubbed... URL: From ark at ar88.net Thu Apr 23 21:07:43 2015 From: ark at ar88.net (Al Klase) Date: Thu, 23 Apr 2015 21:07:43 -0400 Subject: [NJARC] Tube Party Message-ID: <5539975F.7090807@ar88.net> Gang, We'll be working on sorting and organizing the NJARC tube "vault" at InfoAge on Saturday. With the current state of affairs, I don't need the Mongolian Hordes, but, rather six or eight hard workers. Originally I hope I could draw the crew from the Museum staff and the Executive Board, but it turns out to be a busy time of year. So, if your available, we'll gather at the Museum at 9AM, Saturday, and work until about 4PM, with a break for pizza. Please let me know if you can help out. Regards, Al Klase, NJARC Tube Chaplain -- Al Klase ? N3FRQ Jersey City, NJ http://www.skywaves.ar88.net/ From antqradio at sbcglobal.net Fri Apr 24 00:27:10 2015 From: antqradio at sbcglobal.net (antqradio at sbcglobal.net) Date: Fri, 24 Apr 2015 04:27:10 +0000 (UTC) Subject: [NJARC] (no subject) In-Reply-To: <992b6.23e120c0.426aeed8@aol.com> References: <992b6.23e120c0.426aeed8@aol.com> Message-ID: <1780155625.1677365.1429849630623.JavaMail.yahoo@mail.yahoo.com> No experience with this vendor but I did find the schematic of this power supply. http://tubecad.com/2008/11/blog0151.htm In reading the technical description, I fail to see the need to add resistors in series with the solid state rectifiers to "better mimic a tube rectifier". ?All I see in this is that one is taking a better silicon diode rectifier (as compared to a vacuum tube rectifier) and then adding series resistance to make the voltage regulation worse. ?That is to say that the rectified and filtered voltage will change more with load current (increase the filtered ripple voltage) and then apply this to an IC regulator to restore regulation. ?This makes no sense to me. ? The same idea is used when replacing a selenium rectifier with a silicon diode. ?Jim ? From: Joe Devonshire via NJARC To: njarc at mailman.qth.net; dvhrc at mailman.qth.net; NEARC_Radio at yahoogroups.com Sent: Thursday, April 23, 2015 7:56 PM Subject: [NJARC] (no subject) Has anyone had any experience with this product or other products from this company?? Good / Bad. etc...?Joe Devonshire?http://glass-ware.stores.yahoo.net/ps2solo.html?? GlassWare Audio Design Thanks for supporting the Tube CAD JournalSEARCHHome?> PS-2 Solo The same regulator the PS-1 uses, but without the heater PS PS-2 SoloItem#?PS-2 Reg Kit$39.00Heat Sink Height:?1.5 inches2.5 inches Availability:?Usually ships the next business dayThis item is currently out of stock! Product Description No doubt that this little circuit board (4.5 by 4.25 inches) will make life quite a bit easier for many tube fanciers. On this extra thick (0.094 inch), US-made PCB with 2oz-copper traces resides a single high-voltage regulator, with its own raw power supply, including the rectifiers and power-supply reservoir capacitors. In other words, except for the power transformers, the PS-2 Solo PCB holds all that is needed to make a superb tube B+ power supply. The PS-2 Solo regulator can power a line-stage amplifier, headphone amplifier, or phono stage. (It might also work in a tube power amplifier, if the current draw isn?t excessive.) This high-voltage regulator uses a high-voltage series regulator to achieve a quiet and stable regulated B+ voltage, which can span from 50V to 300V, while delivering up to 80mA of current. Furthermore, both a full-wave-center-tapped configuration and a full-wave-bridge rectifier arrangement can be used with this PCB. The PS-2 Solo PCB, like the Janus Solo PCB, holds only a single high voltage regulator, unlike the original PS-1 regulator PCB which held both high voltage and low-voltage regulators. Thus, the tube heaters must find their power source elsewhere, such as an AC winding or a simple DC power supply or regulator power supply. The PS-2 Solo kit comes with all the parts needed to populate the PCB, including the heat sink, standoffs, and 14 voltage-setting resistors, which allows the following output voltages to be set: 50V 60V 65V 75V 110V 120V 125V 130V 135V 140V 150V 160V 165V 170V 175V 180V 185V 195V 200V 210V 215V 220V 225V 240V 250V 270V 300V All the resistors needed All the capacitors needed (Nichicon, Panasonic, RTI or Wima) LD1085 low-dropout voltage regulator Heatsinks for TO220 device Four sets of PCB standoffs with O-rings Four HER108 ultrafast 1A 1000V rectifiers IXCP 10M45S HV constant-current source 24-Page User Guide Just remember Reply = Poster Reply All = Everyone _________________________________________________________ ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto:NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From ark at ar88.net Fri Apr 24 00:53:51 2015 From: ark at ar88.net (Al Klase) Date: Fri, 24 Apr 2015 00:53:51 -0400 Subject: [NJARC] (no subject) In-Reply-To: <1780155625.1677365.1429849630623.JavaMail.yahoo@mail.yahoo.com> References: <992b6.23e120c0.426aeed8@aol.com> <1780155625.1677365.1429849630623.JavaMail.yahoo@mail.yahoo.com> Message-ID: <5539CC5F.5@ar88.net> Joe, Smells like audio-phoolery to me. (You know, the guys who swear by their silver AC line cords.) Also, I'm immediately suspicious of schematics that read from right to left. Bottom line, this is, at best, overkill for our kind of radios. Al Al Klase -- N3FRQ Jersey City, NJ http://www.skywaves.ar88.net/ On 4/24/2015 12:27 AM, antqradio at sbcglobal.net wrote: > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > > No experience with this vendor but I did find the schematic of this > power supply. > > http://tubecad.com/2008/11/blog0151.htm > > In reading the technical description, I fail to see the need to add > resistors in series with the solid state rectifiers to "better mimic a > tube rectifier". All I see in this is that one is taking a better > silicon diode rectifier (as compared to a vacuum tube rectifier) and > then adding series resistance to make the voltage regulation worse. > That is to say that the rectified and filtered voltage will change > more with load current (increase the filtered ripple voltage) and then > apply this to an IC regulator to restore regulation. This makes no > sense to me. > > The same idea is used when replacing a selenium rectifier with a > silicon diode. > Jim > > ------------------------------------------------------------------------ > *From:* Joe Devonshire via NJARC > *To:* njarc at mailman.qth.net; dvhrc at mailman.qth.net; > NEARC_Radio at yahoogroups.com > *Sent:* Thursday, April 23, 2015 7:56 PM > *Subject:* [NJARC] (no subject) > > Has anyone had any experience with this product or other products from > this company? Good / Bad. etc... > Joe Devonshire > http://glass-ware.stores.yahoo.net/ps2solo.html > > > > GlassWare Audio Design > > > *Thanks for supporting the Tube CAD Journal* > SEARCH > > Home > PS-2 Solo > > > The same regulator the PS-1 uses, but without the heater PS > > PS-2 Solo > PS-2 Solo > Item#/PS-2 Reg Kit/ > $39.00 > Heat Sink Height: > /Availability:/Usually ships the next business day > This item is currently out of stock! > > > Product Description > > No doubt that this little circuit board (4.5 by 4.25 inches) will make > life quite a bit easier for many tube fanciers. > > On this extra thick (0.094 inch), US-made PCB with 2oz-copper traces > resides a single high-voltage regulator, with its own raw power > supply, including the rectifiers and power-supply reservoir > capacitors. In other words, except for the power transformers, the > PS-2 Solo PCB holds all that is needed to make a superb tube B+ power > supply. The PS-2 Solo regulator can power a line-stage amplifier, > headphone amplifier, or phono stage. (It might also work in a tube > power amplifier, if the current draw isn't excessive.) This > high-voltage regulator uses a high-voltage series regulator to achieve > a quiet and stable regulated B+ voltage, which can span from 50V to > 300V, while delivering up to 80mA of current. > > Furthermore, both a full-wave-center-tapped configuration and a > full-wave-bridge rectifier arrangement can be used with this PCB. The > PS-2 Solo PCB, like the Janus Solo PCB, holds only a single high > voltage regulator, unlike the original PS-1 regulator PCB which held > both high voltage and low-voltage regulators. Thus, the tube heaters > must find their power source elsewhere, such as an AC winding or a > simple DC power supply or regulator power supply. > > The PS-2 Solo kit comes with all the parts needed to populate the PCB, > including the heat sink, standoffs, and 14 voltage-setting resistors, > which allows the following output voltages to be set: > > 50V 60V 65V 75V 110V 120V 125V 130V 135V 140V 150V 160V 165V 170V 175V > 180V 185V 195V 200V 210V 215V 220V 225V 240V 250V 270V 300V > > All the resistors needed > > All the capacitors needed (Nichicon, Panasonic, RTI or Wima) > > LD1085 low-dropout voltage regulator > > Heatsinks for TO220 device > > Four sets of PCB standoffs with O-rings > > Four HER108 ultrafast 1A 1000V rectifiers > > IXCP 10M45S HV constant-current source > > 24-Page User Guide > > > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From davesica at gmail.com Fri Apr 24 00:54:38 2015 From: davesica at gmail.com (Dave sica) Date: Fri, 24 Apr 2015 00:54:38 -0400 Subject: [NJARC] (no subject) In-Reply-To: <1780155625.1677365.1429849630623.JavaMail.yahoo@mail.yahoo.com> References: <992b6.23e120c0.426aeed8@aol.com> <1780155625.1677365.1429849630623.JavaMail.yahoo@mail.yahoo.com> Message-ID: <43E9E182-AC19-44DC-8F20-3BFEBC6DAEF0@gmail.com> Jim, With selenium that's always promoted as good practice for reasons that sound valid to me. Are you saying you think adding a resistor then makes no sense too? -- Dave "not an engineer" Sica Sent from my iPad On Apr 24, 2015, at 12:27 AM, wrote: > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > No experience with this vendor but I did find the schematic of this power supply. > > http://tubecad.com/2008/11/blog0151.htm > > In reading the technical description, I fail to see the need to add resistors in series with the solid state rectifiers to "better mimic a tube rectifier". All I see in this is that one is taking a better silicon diode rectifier (as compared to a vacuum tube rectifier) and then adding series resistance to make the voltage regulation worse. That is to say that the rectified and filtered voltage will change more with load current (increase the filtered ripple voltage) and then apply this to an IC regulator to restore regulation. This makes no sense to me. > > The same idea is used when replacing a selenium rectifier with a silicon diode. > Jim > > > From: Joe Devonshire via NJARC > To: njarc at mailman.qth.net; dvhrc at mailman.qth.net; NEARC_Radio at yahoogroups.com > Sent: Thursday, April 23, 2015 7:56 PM > Subject: [NJARC] (no subject) > > Has anyone had any experience with this product or other products from this company? Good / Bad. etc... > > Joe Devonshire > > http://glass-ware.stores.yahoo.net/ps2solo.html > > > > GlassWare Audio Design > Thanks for supporting the Tube CAD Journal > SEARCH > Home > PS-2 Solo > The same regulator the PS-1 uses, but without the heater PS > > PS-2 Solo > Item# PS-2 Reg Kit > $39.00 > Heat Sink Height: > Availability: Usually ships the next business day > This item is currently out of stock! > Product Description > No doubt that this little circuit board (4.5 by 4.25 inches) will make life quite a bit easier for many tube fanciers. > > On this extra thick (0.094 inch), US-made PCB with 2oz-copper traces resides a single high-voltage regulator, with its own raw power supply, including the rectifiers and power-supply reservoir capacitors. In other words, except for the power transformers, the PS-2 Solo PCB holds all that is needed to make a superb tube B+ power supply. The PS-2 Solo regulator can power a line-stage amplifier, headphone amplifier, or phono stage. (It might also work in a tube power amplifier, if the current draw isn?t excessive.) This high-voltage regulator uses a high-voltage series regulator to achieve a quiet and stable regulated B+ voltage, which can span from 50V to 300V, while delivering up to 80mA of current. > > Furthermore, both a full-wave-center-tapped configuration and a full-wave-bridge rectifier arrangement can be used with this PCB. The PS-2 Solo PCB, like the Janus Solo PCB, holds only a single high voltage regulator, unlike the original PS-1 regulator PCB which held both high voltage and low-voltage regulators. Thus, the tube heaters must find their power source elsewhere, such as an AC winding or a simple DC power supply or regulator power supply. > > The PS-2 Solo kit comes with all the parts needed to populate the PCB, including the heat sink, standoffs, and 14 voltage-setting resistors, which allows the following output voltages to be set: > > 50V 60V 65V 75V 110V 120V 125V 130V 135V 140V 150V 160V 165V 170V 175V 180V 185V 195V 200V 210V 215V 220V 225V 240V 250V 270V 300V > > All the resistors needed > > All the capacitors needed (Nichicon, Panasonic, RTI or Wima) > > LD1085 low-dropout voltage regulator > > Heatsinks for TO220 device > > Four sets of PCB standoffs with O-rings > > Four HER108 ultrafast 1A 1000V rectifiers > > IXCP 10M45S HV constant-current source > > 24-Page User Guide > > > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From antqradio at sbcglobal.net Fri Apr 24 02:21:43 2015 From: antqradio at sbcglobal.net (antqradio at sbcglobal.net) Date: Fri, 24 Apr 2015 06:21:43 +0000 (UTC) Subject: [NJARC] Selenium rectifier replacement In-Reply-To: <43E9E182-AC19-44DC-8F20-3BFEBC6DAEF0@gmail.com> References: <43E9E182-AC19-44DC-8F20-3BFEBC6DAEF0@gmail.com> Message-ID: <193224342.1680546.1429856503491.JavaMail.yahoo@mail.yahoo.com> Yep Dave, that is what I am saying. The selenium rectifier is a pretty poor rectifier but it is more efficient then a vacuum tube rectifier since it has no need for heater power. ? The reason for the series resistor in a selenium rectifier circuit is to limit the charging current demanded by the filter capacitor. ?The selenium rectifier is current limited anywhere from about 35 mA?to 450 mA depending on voltage rating and the size of the selenium stack. ?The Sarkes Tarzian Selenium Rectifier Handbook is on line as a pdf file and explains the need for the series resistor and the current ratings of the various models. With the external series resistance and the high voltage drop in the selenium rectifier, the voltage regulation is pretty poor. ?15% to 20% voltage regulation is to be expected. ?In other words, the higher the load current pulled out of the power supply, the lower the output voltage will drop. ?Vacuum tube rectifiers have much the same voltage regulation problems as selenium but the the peak non repetitive current is a bit higher. Silicon rectifiers do not have this problem, this is why they have replaced both tube and selenium rectifiers. ?Maximum forward silicon diode current is usually one amp and three amp silicon rectifiers are as inexpensive. ?Peak non repetitive currents are in the tens of amps range. ?There is little internal resistance in the silicon diode and the voltage drop is usually less then one volt so the voltage regulation is much much better. If one is concerned that the average output voltage will be too high when the selenium rectifier is replaced by silicon, then use a filter choke with an appropriate current rating to reduce the voltage and improve the voltage regulation of the power supply even further. ?Ultimate regulation using an LC filter requires a bleeder resistor to load the power supply enough so that the inductor always has the minimum required current flowing through it.Jim From: Dave sica To: "antqradio at sbcglobal.net" Cc: "njarc at mailman.qth.net" Sent: Thursday, April 23, 2015 11:54 PM Subject: Re: [NJARC] (no subject) Jim, With selenium that's always promoted as good practice for reasons that sound valid to me. Are you saying you think adding a resistor then makes no sense too? -- Dave "not an engineer" Sica Sent from my iPad On Apr 24, 2015, at 12:27 AM, wrote: Just remember Reply = Poster Reply All = Everyone _________________________________________________________ No experience with this vendor but I did find the schematic of this power supply. http://tubecad.com/2008/11/blog0151.htm In reading the technical description, I fail to see the need to add resistors in series with the solid state rectifiers to "better mimic a tube rectifier". ?All I see in this is that one is taking a better silicon diode rectifier (as compared to a vacuum tube rectifier) and then adding series resistance to make the voltage regulation worse. ?That is to say that the rectified and filtered voltage will change more with load current (increase the filtered ripple voltage) and then apply this to an IC regulator to restore regulation. ?This makes no sense to me. ? The same idea is used when replacing a selenium rectifier with a silicon diode. ?Jim ? From: Joe Devonshire via NJARC To: njarc at mailman.qth.net; dvhrc at mailman.qth.net; NEARC_Radio at yahoogroups.com Sent: Thursday, April 23, 2015 7:56 PM Subject: [NJARC] (no subject) Has anyone had any experience with this product or other products from this company?? Good / Bad. etc...?Joe Devonshire?http://glass-ware.stores.yahoo.net/ps2solo.html?? GlassWare Audio Design Thanks for supporting the Tube CAD JournalSEARCHHome?> PS-2 Solo The same regulator the PS-1 uses, but without the heater PS PS-2 SoloItem#?PS-2 Reg Kit$39.00Heat Sink Height:?1.5 inches2.5 inches Availability:?Usually ships the next business dayThis item is currently out of stock! Product Description No doubt that this little circuit board (4.5 by 4.25 inches) will make life quite a bit easier for many tube fanciers. On this extra thick (0.094 inch), US-made PCB with 2oz-copper traces resides a single high-voltage regulator, with its own raw power supply, including the rectifiers and power-supply reservoir capacitors. In other words, except for the power transformers, the PS-2 Solo PCB holds all that is needed to make a superb tube B+ power supply. The PS-2 Solo regulator can power a line-stage amplifier, headphone amplifier, or phono stage. (It might also work in a tube power amplifier, if the current draw isn?t excessive.) This high-voltage regulator uses a high-voltage series regulator to achieve a quiet and stable regulated B+ voltage, which can span from 50V to 300V, while delivering up to 80mA of current. Furthermore, both a full-wave-center-tapped configuration and a full-wave-bridge rectifier arrangement can be used with this PCB. The PS-2 Solo PCB, like the Janus Solo PCB, holds only a single high voltage regulator, unlike the original PS-1 regulator PCB which held both high voltage and low-voltage regulators. Thus, the tube heaters must find their power source elsewhere, such as an AC winding or a simple DC power supply or regulator power supply. The PS-2 Solo kit comes with all the parts needed to populate the PCB, including the heat sink, standoffs, and 14 voltage-setting resistors, which allows the following output voltages to be set: 50V 60V 65V 75V 110V 120V 125V 130V 135V 140V 150V 160V 165V 170V 175V 180V 185V 195V 200V 210V 215V 220V 225V 240V 250V 270V 300V All the resistors needed All the capacitors needed (Nichicon, Panasonic, RTI or Wima) LD1085 low-dropout voltage regulator Heatsinks for TO220 device Four sets of PCB standoffs with O-rings Four HER108 ultrafast 1A 1000V rectifiers IXCP 10M45S HV constant-current source 24-Page User Guide Just remember Reply = Poster Reply All = Everyone _________________________________________________________ ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto:NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html ______________________________________________________________ NJARC mailing list Home: http://mailman.qth.net/mailman/listinfo/njarc Help: http://mailman.qth.net/mmfaq.htm Post: mailto:NJARC at mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html -------------- next part -------------- An HTML attachment was scrubbed... URL: From ark at ar88.net Sat Apr 25 07:24:52 2015 From: ark at ar88.net (Al Klase) Date: Sat, 25 Apr 2015 07:24:52 -0400 Subject: [NJARC] Tube Party Today Message-ID: <553B7984.4000504@ar88.net> Participants, If you can't find us my phone is 908-892-5465 ETA InfoAge 08:30 Al -- Al Klase ? N3FRQ Jersey City, NJ http://www.skywaves.ar88.net/ From oldradio at comcast.net Sun Apr 26 10:11:16 2015 From: oldradio at comcast.net (oldradio at comcast.net) Date: Sun, 26 Apr 2015 14:11:16 +0000 (UTC) Subject: [NJARC] Fwd: Today Only: $199 NEW 15.6" Pro Lenovo Laptop + Ships FREE In-Reply-To: <0.0.45.F9A.1D0802794DB36D0.0@omp.e.tigerdirect.com> References: <0.0.45.F9A.1D0802794DB36D0.0@omp.e.tigerdirect.com> Message-ID: <574464423.11719133.1430057476151.JavaMail.zimbra@comcast.net> If you need a laptop, this looks like a good deal...... 24 hours only 73, John ----- Original Message ----- From: "TigerDirect.com" To: oldradio at comcast.net Sent: Sunday, April 26, 2015 9:47:48 AM Subject: Today Only: $199 NEW 15.6" Pro Lenovo Laptop + Ships FREE Lowest. Price. Ever. New $199 Laptop...While They Last! | View Images | Mobile Version | Add TigerDirect at e.tigerdirect.com To Your Contacts Only For Tiger Insiders Shop online or call our experts (800) 800-8300 Computers TV & Video Computer Parts Find Store Daily Deal Mother's Day Sale EXCLUSIVELY FOR TIGER INSIDERS 24 HOURS ONLY ENDS 4/26 11:59PM ET! Order Today ? AMAZING LIMITED TIME VIP OFFER This offer on the Lenovo B50-45 cannot be beat. A killer New Lenovo 15.6? screen with Windows Pro OS, and Hi-Res 15.6? Screen in a sleek and portable package for only $199.99! This is the lowest price ever, and will only be around for 24 hours, so act fast and act now to get the new Lenovo for a steal! The latest AMD processors offer faster computing, while integrated AMD Radeon? graphics bring screen images to life. The Lenovo? B50-45 is not just perfect ? it?s perfect for you. This PC is great for the office with all the commercial features you need for your business and great for home and on the road. 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Save $400 $699 99 Search over 100,000 Products in Stock... | Deal Alerts via RSS *PRICE AFTER MAIL-IN REBATES. CLICK ITEM FOR DETAILS. ?? Coupons cannot be combined with any other coupon, offer, sale or discount. Coupons are not applicable to prior orders. Coupons are subject to change without notice. One coupon redeemable per item per customer. Not redeemable for cash. Limited to stock on hand. (ANY OTHER USE CONSTITUTES FRAUD) Prices valid thru 4/26/2015 11:59 PM ET unless otherwise noted. Not responsible for typographical, technical, or descriptive errors of products herein. Prices are subject to change. Items may be available online or by phone only--prices and availability in TigerDirect stores may be limited. Call us at (800) 800-8300. REFERENCE PRIORITY CODE: WEM4528 PERMISSION SETTINGS: Our records indicate we have your permission to send email to the following address: oldradio at comcast.net Subscription Center: If you wish to UNSUBSCRIBE click here ?2015 TigerDirect, Inc. All Rights Reserved. TigerDirect and TigerDirect.com are registered trademarks of TigerDirect, Inc. All others trademarks and copyrights mentioned herein are the property of their respective owners. TigerDirect, Inc., 7795 West Flagler St., Suite 35, Miami, FL 33144. -------------- next part -------------- An HTML attachment was scrubbed... URL: From oldradio at comcast.net Sun Apr 26 18:05:38 2015 From: oldradio at comcast.net (oldradio at comcast.net) Date: Sun, 26 Apr 2015 22:05:38 +0000 (UTC) Subject: [NJARC] Meeting on May 1 - where is it? In-Reply-To: <611191637.11912101.1430085813490.JavaMail.zimbra@comcast.net> Message-ID: <1807170068.11913001.1430085938456.JavaMail.zimbra@comcast.net> Meeting on May 1 - where is it? Not in newsletter or on web page. 73, John Dilks, K2TQN Having fun smelling hot rosin and solder again. From oldradio at comcast.net Sun Apr 26 18:13:43 2015 From: oldradio at comcast.net (oldradio at comcast.net) Date: Sun, 26 Apr 2015 22:13:43 +0000 (UTC) Subject: [NJARC] Meeting on May 1 - where is it? Whoops! In-Reply-To: References: <1807170068.11913001.1430085938456.JavaMail.zimbra@comcast.net> Message-ID: <217511283.11916049.1430086423317.JavaMail.zimbra@comcast.net> Whoops, it was on the newsletter: Infoage (was hyphenated and I can't read hyphens I guess.) ----- Original Message ----- From: jukeboxrick at aol.com To: oldradio at comcast.net Sent: Sunday, April 26, 2015 6:08:56 PM Subject: Re: [NJARC] Meeting on May 1 - where is it? Are you sure you are reading the front page? Sent from my iPhone > On Apr 26, 2015, at 6:05 PM, oldradio at comcast.net wrote: > > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > Meeting on May 1 - where is it? > > Not in newsletter or on web page. > > 73, John Dilks, K2TQN > Having fun smelling hot rosin and solder again. > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html From njarc at mailman.qth.net Sun Apr 26 20:46:04 2015 From: njarc at mailman.qth.net (Joe Devonshire via NJARC) Date: Sun, 26 Apr 2015 20:46:04 -0400 Subject: [NJARC] Check out Vintage Hi-Fi Museum Message-ID: Something new in Ct. Joe Devonshire _Vintage Hi-Fi_ (http://www.vintagehifi.org/) http://www.vintagehifi.org/ -------------- next part -------------- An HTML attachment was scrubbed... URL: From raydio862 at verizon.net Tue Apr 28 13:23:34 2015 From: raydio862 at verizon.net (Raymond Chase) Date: Tue, 28 Apr 2015 13:23:34 -0400 Subject: [NJARC] InfoAge Car Show Message-ID: <553FC216.9060703@verizon.net> Attached -------------- next part -------------- A non-text attachment was scrubbed... Name: infoAge_Car_Show_2015.pdf Type: application/pdf Size: 1045413 bytes Desc: not available URL: From etpapson at comcast.net Wed Apr 29 17:01:20 2015 From: etpapson at comcast.net (Ed Papson) Date: Wed, 29 Apr 2015 21:01:20 +0000 (UTC) Subject: [NJARC] FYI: Atwater Kent Model 20 Deluxe @ QTH.COM In-Reply-To: <553FC216.9060703@verizon.net> References: <553FC216.9060703@verizon.net> Message-ID: <986668119.12186301.1430341280660.JavaMail.zimbra@comcast.net> 04/29/2015 RADIOANQ - Atwater Kent Model 20 Deluxe For sale is an Atwater Kent Model 20 Deluxe. This receiver is in very good cosmetic and functional order. It comes with a home made power supply and cable to power the receiver. It also comes with a enclosure housed transformer to allow the use of an 8 ohm PM speaker as well as a photocopied manual in a folder as well. I would like $135. This item is available for pickup in Albany, NY. Listing #1195320 by KC2TAU Submitted on 04/29/15 Submitted from cpe-67-246-44-202.nycap.res.rr.com Click Here to Email -------------- next part -------------- An HTML attachment was scrubbed... URL: From radiorich at prodigy.net Wed Apr 29 22:01:49 2015 From: radiorich at prodigy.net (RICHARD LEE) Date: Thu, 30 Apr 2015 02:01:49 +0000 (UTC) Subject: [NJARC] May 1st Meeting THIS Friday at InFo Age Message-ID: <554053406.991349.1430359309381.JavaMail.yahoo@mail.yahoo.com> Greetings Fellow Enthusiasts,? Well our May meeting is extra early this month, due to the DVHRC hosting their annual Spring show In Kutztown, Pa., next weekend. The meeting's agenda is our ever popular Home Brew Contest and? Basket Case Contest, with a small auction to follow.? See you all there!? Richard Lee? President NJARC -------------- next part -------------- An HTML attachment was scrubbed... URL: From dave.sica at njarc.org Wed Apr 29 23:46:40 2015 From: dave.sica at njarc.org (David Sica) Date: Wed, 29 Apr 2015 23:46:40 -0400 Subject: [NJARC] May 1st Meeting THIS Friday at InFo Age In-Reply-To: <554053406.991349.1430359309381.JavaMail.yahoo@mail.yahoo.com> References: <554053406.991349.1430359309381.JavaMail.yahoo@mail.yahoo.com> Message-ID: It's a big weekend for vintage electronics get-togethers. It's rare that I miss an NJARC meeting, but I'll be at the Early Television Convention in Ohio. You can "tune in" to our live webcast of the event all day Saturday if you like: auction 9:00 AM - 11:45; presentations 12:30-5:30. The webcast will be available at www.earlytelevision.org -- Dave Sica 47 On Wed, Apr 29, 2015 at 10:01 PM, RICHARD LEE wrote: > Just remember > Reply = Poster > Reply All = Everyone > > _________________________________________________________ > > Greetings Fellow Enthusiasts, Well our May meeting is extra early this > month, due to the DVHRC hosting their annual Spring show In Kutztown, Pa., > next weekend. The meeting's agenda is our ever popular Home Brew Contest > and Basket Case Contest, with a small auction to follow. See you all > there! Richard Lee President NJARC > > ______________________________________________________________ > NJARC mailing list > Home: http://mailman.qth.net/mailman/listinfo/njarc > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:NJARC at mailman.qth.net > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > -------------- next part -------------- An HTML attachment was scrubbed... URL: