[R-390] Re: Collins / Capehart
tkinney
[email protected]
Fri, 23 Aug 2002 17:25:35 -0400
I did the same thing, Paid $700.00 for a 'All Collins' with the =
label....sent it to Mish and found it was all SW, guy I got it from on =
EBay refunded me hundred bucks...but still.....paid alot for a =
Collins...
----- Original Message -----=20
From: <[email protected]>
To: <[email protected]>
Sent: Friday, August 23, 2002 5:00 PM
Subject: R-390 digest, Vol 1 #360 - 15 msgs
> Send R-390 mailing list submissions to
> [email protected]
>=20
> To subscribe or unsubscribe via the World Wide Web, visit
> http://mailman.qth.net/mailman/listinfo/r-390
> or, via email, send a message with subject or body 'help' to
> [email protected]
>=20
> You can reach the person managing the list at
> [email protected]
>=20
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of R-390 digest..."
>=20
>=20
> Today's Topics:
>=20
> 1. R-390 and Boat Anchor Surplus (David Faria)
> 2. Wanted Tube Straighteners (Rehkopf, Ward S)
> 3. Capehart or Collins: which is better? (kwylow zinjanthropus)
> 4. Re: Capehart or Collins: which is better? (Dan Arney)
> 5. Broke 390 latest ([email protected])
> 6. (no subject) ([email protected])
> 7. Re: Question - 9 Pin Plug (Richard Loken)
> 8. Re: Capehart or Collins: which is better? (pete wokoun, sr.)
> 9. Re: Question - 9 Pin Plug (Biddle, Richard)
> 10. S102 Microswitch wanted (Mikek)
> 11. Re: Capehart or Collins: which is better? (scott)
> 12. Re: Broke 390 latest (James Miller)
> 13. Re: Broke 390 latest (James Miller)
> 14. Re: Capehart or Collins: which is better? (Tom M.)
> 15. Re: Broke 390 latest (Walter Wilson)
>=20
> --__--__--
>=20
> Message: 1
> From: "David Faria" <[email protected]>
> To: "r-390" <[email protected]>
> Date: Fri, 23 Aug 2002 06:01:37 -0700
> Subject: [R-390] R-390 and Boat Anchor Surplus
>=20
>=20
> Good morning List,
> My wife and I are going to be in Chicago during October. Are there =
any
> places there have electronic surplus that are worth visiting. My wife =
is
> running the Chicago Marathon - she will usually place in the top 10 =
for her
> age group. Since she's not looking over my shoulder right now, she's =
48.
>=20
> Thanks List,
> Dave Faria
>=20
> --__--__--
>=20
> Message: 2
> From: "Rehkopf, Ward S" <[email protected]>
> To: 'R390 List' <[email protected]>
> Date: Fri, 23 Aug 2002 09:29:29 -0400
> Subject: [R-390] Wanted Tube Straighteners
>=20
> Need (would like) the two tube pin straighteners that go on the back =
of my
> R390. Any help would be appreciated.
>=20
> thanks
>=20
> K8FD
>=20
> --__--__--
>=20
> Message: 3
> Date: Fri, 23 Aug 2002 06:47:01 -0700 (PDT)
> From: kwylow zinjanthropus <[email protected]>
> To: [email protected]
> Subject: [R-390] Capehart or Collins: which is better?
>=20
>=20
> All:
>=20
> Just wanted to know which unit is better? A Collins built R-390A or a =
Capehart built R-390A? I'd like to know in terms of sensitivity, =
quality, etc. I'm contemplating ridding myself of a Capehart R-390A (in =
pretty good condition) for a slighly used R-390A built by Collins.=20
>=20
> I suspect that I'll have higher sensitivity, more quality components, =
and an overall better receiver if I make the switch. What do you think? =
73's de Cal, N6KYR.=20
>=20
>=20
>=20
> ---------------------------------
> Do You Yahoo!?
> Yahoo! Finance - Get real-time stock quotes
>=20
> --- StripMime Report -- processed MIME parts ---
> multipart/alternative
> text/plain (text body -- kept)
> text/html
> The reason this message is shown is because the post was in HTML
> or had an attachment. Attachments are not allowed.
> Please post in Plain-Text only.---
>=20
> --__--__--
>=20
> Message: 4
> Date: Fri, 23 Aug 2002 06:58:38 -0700
> From: Dan Arney <[email protected]>
> Subject: Re: [R-390] Capehart or Collins: which is better?
> To: kwylow zinjanthropus <[email protected]>
> Cc: [email protected]
> Organization: Global Pack & Mail
>=20
> Cal,
> Poca a mas a manos
> Hank
>=20
>=20
>=20
> --__--__--
>=20
> Message: 5
> Date: Fri, 23 Aug 2002 08:28:18 -0700 (PDT)
> From: <[email protected]>
> To: [email protected]
> Subject: [R-390] Broke 390 latest
>=20
> Friends,
>=20
> Please feel free to help...or "cuss" me out...This is
> going to be pretty long...
>=20
> Decided that I doubted the old mans "borrowed" tube..
> (he wanted $5, and I already gave him $5 to use his
> tester..) Talked him into letting me try it again..
> then used alcohol on it, and got it under sunlight..
> It was a 6CB6, not 6AK6...That means the pin two
> connect was cathode, not 1st grid (or screen), so I
> guess that would not work...6AU6 seems to have same
> base.(or does it?): see below and suggest. (I have 1)
> or must I have only a 6AK6? That tube having a broke
> pin would stop the audio, right? (It was pin one).
> When I took it back to him a second time, he was
> really mad...(and I thought I was an old crab....).
> Do you think I hurt anything with the 6CB6 in circuit?
>=20
> Took apart the connect on radio end of power
> cord..(the 4 pin plug) and it had a wire that must
> have
> "arced"..(How do you spell that...how about arched?)
> Repaired...maybe that was the extra "noise" I heard...
>=20
> Drove to R. Shack...They no longer send off for
> tubes..(I didn't know that. Its sad for me, as they
> were close, and easy, if not cheap or always good
> quality.)
> Someone tell me the best quick place to get a few
> tubes..*(If you can, or wish, offer me some part of a
> set and I will send you the money...don't want to buy
> whole set right now, but would buy the most common
> "trouble" tubes if you want to sell..I mean to keep
> the radio...)
>=20
> I believe that the broken pin may be the real pro.=20
> (other than the one regarding not using a bag. to see
> the printing on a pro-offered tube...I don't know the
> "insides" well enough to tell..but the old service
> tech. should have...). Too bad I didn't spend the time
> on this radio, that I put in the 390a I had...I got to
> where I could set the alignment, and new what was
> acting up, without instruments on that radio, (to a
> limited degree)...even tho I never figured out the
> "drifting" alignment...(Some of you may remember
> that...)
>=20
> Even if I get help, and this unit is repaired, I still
> seem to want another radio...Is this normal behavior?
> It has just come on me in the last month..My wife
> doesn't know it yet...
>=20
> What should I do???
>=20
> My Best Regards,
>=20
> John=20
>=20
> __________________________________________________
> Do You Yahoo!?
> Yahoo! Finance - Get real-time stock quotes
> http://finance.yahoo.com
>=20
> --__--__--
>=20
> Message: 6
> Date: Fri, 23 Aug 2002 08:34:43 -0700 (PDT)
> From: <[email protected]>
> To: [email protected]
> Subject: [R-390] (no subject)
>=20
> Friends,
>=20
> Short note: anyone need a carrier meter? Have one and
> would sell very cheap if you NEEDED it..(I replaced
> it as it was International, and I wanted Simpson...
> or I would trade... Also still have a nice lg. knob...
> (clamp, but no screw...) Trade both for what have you,
> or what do you offer in green stuff...
>=20
> John
>=20
> __________________________________________________
> Do You Yahoo!?
> Yahoo! Finance - Get real-time stock quotes
> http://finance.yahoo.com
>=20
> --__--__--
>=20
> Message: 7
> Date: Fri, 23 Aug 2002 09:48:41 -0600 (MDT)
> From: Richard Loken <[email protected]>
> Subject: Re: [R-390] Question - 9 Pin Plug
> To: Albert Santangelo <[email protected]>
> Cc: Mike Hardie <[email protected]>, [email protected]
>=20
> On Thu, 22 Aug 2002, Albert Santangelo wrote:
>=20
> > Mike,
> >=20
> > ElectroSonic in Toronto used to distribute 9 pin tube socket plugs =
made by
> > Armaco Electronics of Vancouver B.C..
>=20
> Armaco is or was the Russ Mack Company and they were importers (never =
made
> a thing themselves) from Japan from back when it was an insult to say=20
> "made in Japan". They imported good stuff and bad stuff and you never =
knew
> which one you would get. I read an article on Armaco once and they =
said
> that Russ could speak Japanese well and went over there to negotiate =
on his
> own behalf.
>=20
> Nothing much has changed, today we have "Mode" brand imported =
connectors and
> I bought some N connectors with their name on them that were =
unqualified
> junk. But I was a "Made in USA" bigot before I bought those =
connectors anyway.
> ---
> Richard Loken VE6BSV, Systems Programmer - VMS =20
> Athabasca University
> Athabasca, Alberta Canada
> ** [email protected] **
>=20
>=20
> --__--__--
>=20
> Message: 8
> From: "pete wokoun, sr." <[email protected]>
> To: [email protected]
> Subject: Re: [R-390] Capehart or Collins: which is better?
> Date: Fri, 23 Aug 2002 05:58:17 -1000
>=20
> Like comparing Red Delicious and Macintosh, they're both apples. Just =
> because you have a Ca or Co label on the front, all the internal =
modules=20
> have been intermixed while Uncle had custody.
>=20
>=20
> >From: kwylow zinjanthropus <[email protected]>
> >To: [email protected]
> >Subject: [R-390] Capehart or Collins: which is better?
> >Date: Fri, 23 Aug 2002 06:47:01 -0700 (PDT)
> >
> >
> >All:
> >
> >Just wanted to know which unit is better? A Collins built R-390A or =
a=20
> >Capehart built R-390A? I'd like to know in terms of sensitivity, =
quality,=20
> >etc. I'm contemplating ridding myself of a Capehart R-390A (in pretty =
good=20
> >condition) for a slighly used R-390A built by Collins.
> >
> >I suspect that I'll have higher sensitivity, more quality components, =
and=20
> >an overall better receiver if I make the switch. What do you think? =
73's de=20
> >Cal, N6KYR.
> >
> >
> >
> >---------------------------------
> >Do You Yahoo!?
> >Yahoo! Finance - Get real-time stock quotes
> >
> >--- StripMime Report -- processed MIME parts ---
> >multipart/alternative
> > text/plain (text body -- kept)
> > text/html
> >The reason this message is shown is because the post was in HTML
> >or had an attachment. Attachments are not allowed.
> >Please post in Plain-Text only.---
> >_______________________________________________
> >R-390 mailing list
> >[email protected]
> >http://mailman.qth.net/mailman/listinfo/r-390
>=20
>=20
>=20
>=20
> _________________________________________________________________
> Join the world's largest e-mail service with MSN Hotmail.=20
> http://www.hotmail.com
>=20
>=20
> --__--__--
>=20
> Message: 9
> From: "Biddle, Richard" <[email protected]>
> To: "'[email protected]'" <[email protected]>
> Date: Fri, 23 Aug 2002 11:37:08 -0500
> Subject: [R-390] Re: Question - 9 Pin Plug
>=20
> Sneaky method number two also works for other types of connectors:
>=20
> Take some 1/4" or 1/2" thick Plexiglas sheet. Cut to the desired =
shape. I
> use a band saw or Dremel-Tool depending on how big the connector needs =
to
> be. =20
>=20
> Heat up an old tube base just warm enough to make a mark on the =
Plexiglas.
> A little glue holds the pins in place. As far as a cover goes, there =
are
> vinyl dust covers for different size connectors or plastic covers for =
pipe
> that will fit.=20
>=20
> Depending on the size of connector required, the pins used for the DB =
style
> computer connectors make a pretty good fit and they can be male or =
female.
>=20
> I have also used this to make new inserts for Cannon connectors.
>=20
> 73 de Richard, W5SRB
>=20
> --__--__--
>=20
> Message: 10
> From: "Mikek" <[email protected]>
> To: [email protected]
> Reply-To: [email protected]
> Date: Fri, 23 Aug 2002 08:32:43 -0400
> Subject: [R-390] S102 Microswitch wanted
>=20
> Greetings all
>=20
> I am looking for a replacement AC power microswitch that is part
> of the Function switch. Please reply direct to:
> [email protected]
>=20
> Thanks
> Mike Kana
> AA9IL
>=20
>=20
>=20
> --__--__--
>=20
> Message: 11
> Reply-To: "scott" <[email protected]>
> From: "scott" <[email protected]>
> To: "kwylow zinjanthropus" <[email protected]>,
> <[email protected]>
> Subject: Re: [R-390] Capehart or Collins: which is better?
> Date: Fri, 23 Aug 2002 13:42:11 -0400
>=20
>=20
> >
> > I suspect that I'll have higher sensitivity, more quality =
components, and
> an
> overall better receiver if I make the switch. What do you think? 73's =
de
> Cal, N6KYR.
> >
> >
>=20
> I'll bet you are wrong. I'd rather have the Capehart just because it =
is 10
> years
> newer than a Collins. They were all made to the same military specs.
> Did you check the modules for manufacturer?? The label on the front =
means
> nothing. My label says Collins but I am SOOOO glad that my modules =
are all
> Teledyne.
>=20
>=20
> Scott
>=20
>=20
>=20
>=20
>=20
> --__--__--
>=20
> Message: 12
> Date: Fri, 23 Aug 2002 14:55:29 -0400
> From: James Miller <[email protected]>
> Reply-To: [email protected]
> To: [email protected]
> Cc: [email protected]
> Subject: Re: [R-390] Broke 390 latest
>=20
> Antique Electronic Supply has plenty of tubes at good prices. I have
> ordered from them many times. You can order on the web at
> http://www.tubesandmore.com
>=20
>=20
> They sell the 6AK6 for $3.60 plus shipping. And many more as well. =
It
> will be at your door by UPS in a couple of days.
>=20
> Good luck,
> Jim
> [email protected] wrote:
> >=20
> > Friends,
> >=20
> > Please feel free to help...or "cuss" me out...This is
> > going to be pretty long...
> >=20
> > Decided that I doubted the old mans "borrowed" tube..
> > (he wanted $5, and I already gave him $5 to use his
> > tester..) Talked him into letting me try it again..
> > then used alcohol on it, and got it under sunlight..
> > It was a 6CB6, not 6AK6...That means the pin two
> > connect was cathode, not 1st grid (or screen), so I
> > guess that would not work...6AU6 seems to have same
> > base.(or does it?): see below and suggest. (I have 1)
> > or must I have only a 6AK6? That tube having a broke
> > pin would stop the audio, right? (It was pin one).
> > When I took it back to him a second time, he was
> > really mad...(and I thought I was an old crab....).
> > Do you think I hurt anything with the 6CB6 in circuit?
> >=20
> > Took apart the connect on radio end of power
> > cord..(the 4 pin plug) and it had a wire that must
> > have
> > "arced"..(How do you spell that...how about arched?)
> > Repaired...maybe that was the extra "noise" I heard...
> >=20
> > Drove to R. Shack...They no longer send off for
> > tubes..(I didn't know that. Its sad for me, as they
> > were close, and easy, if not cheap or always good
> > quality.)
> > Someone tell me the best quick place to get a few
> > tubes..*(If you can, or wish, offer me some part of a
> > set and I will send you the money...don't want to buy
> > whole set right now, but would buy the most common
> > "trouble" tubes if you want to sell..I mean to keep
> > the radio...)
> >=20
> > I believe that the broken pin may be the real pro.
> > (other than the one regarding not using a bag. to see
> > the printing on a pro-offered tube...I don't know the
> > "insides" well enough to tell..but the old service
> > tech. should have...). Too bad I didn't spend the time
> > on this radio, that I put in the 390a I had...I got to
> > where I could set the alignment, and new what was
> > acting up, without instruments on that radio, (to a
> > limited degree)...even tho I never figured out the
> > "drifting" alignment...(Some of you may remember
> > that...)
> >=20
> > Even if I get help, and this unit is repaired, I still
> > seem to want another radio...Is this normal behavior?
> > It has just come on me in the last month..My wife
> > doesn't know it yet...
> >=20
> > What should I do???
> >=20
> > My Best Regards,
> >=20
> > John
> >=20
> > __________________________________________________
> > Do You Yahoo!?
> > Yahoo! Finance - Get real-time stock quotes
> > http://finance.yahoo.com
> > _______________________________________________
> > R-390 mailing list
> > [email protected]
> > http://mailman.qth.net/mailman/listinfo/r-390
>=20
> --__--__--
>=20
> Message: 13
> Date: Fri, 23 Aug 2002 14:57:14 -0400
> From: James Miller <[email protected]>
> Reply-To: [email protected]
> To: [email protected]
> Cc: [email protected]
> Subject: Re: [R-390] Broke 390 latest
>=20
> Oh I forgot, as to what you should do with the 390. Sell it and get
> your 390a back if you can! =20
>=20
> [email protected] wrote:
> >=20
> > Friends,
> >=20
> > Please feel free to help...or "cuss" me out...This is
> > going to be pretty long...
> >=20
> > Decided that I doubted the old mans "borrowed" tube..
> > (he wanted $5, and I already gave him $5 to use his
> > tester..) Talked him into letting me try it again..
> > then used alcohol on it, and got it under sunlight..
> > It was a 6CB6, not 6AK6...That means the pin two
> > connect was cathode, not 1st grid (or screen), so I
> > guess that would not work...6AU6 seems to have same
> > base.(or does it?): see below and suggest. (I have 1)
> > or must I have only a 6AK6? That tube having a broke
> > pin would stop the audio, right? (It was pin one).
> > When I took it back to him a second time, he was
> > really mad...(and I thought I was an old crab....).
> > Do you think I hurt anything with the 6CB6 in circuit?
> >=20
> > Took apart the connect on radio end of power
> > cord..(the 4 pin plug) and it had a wire that must
> > have
> > "arced"..(How do you spell that...how about arched?)
> > Repaired...maybe that was the extra "noise" I heard...
> >=20
> > Drove to R. Shack...They no longer send off for
> > tubes..(I didn't know that. Its sad for me, as they
> > were close, and easy, if not cheap or always good
> > quality.)
> > Someone tell me the best quick place to get a few
> > tubes..*(If you can, or wish, offer me some part of a
> > set and I will send you the money...don't want to buy
> > whole set right now, but would buy the most common
> > "trouble" tubes if you want to sell..I mean to keep
> > the radio...)
> >=20
> > I believe that the broken pin may be the real pro.
> > (other than the one regarding not using a bag. to see
> > the printing on a pro-offered tube...I don't know the
> > "insides" well enough to tell..but the old service
> > tech. should have...). Too bad I didn't spend the time
> > on this radio, that I put in the 390a I had...I got to
> > where I could set the alignment, and new what was
> > acting up, without instruments on that radio, (to a
> > limited degree)...even tho I never figured out the
> > "drifting" alignment...(Some of you may remember
> > that...)
> >=20
> > Even if I get help, and this unit is repaired, I still
> > seem to want another radio...Is this normal behavior?
> > It has just come on me in the last month..My wife
> > doesn't know it yet...
> >=20
> > What should I do???
> >=20
> > My Best Regards,
> >=20
> > John
> >=20
> > __________________________________________________
> > Do You Yahoo!?
> > Yahoo! Finance - Get real-time stock quotes
> > http://finance.yahoo.com
> > _______________________________________________
> > R-390 mailing list
> > [email protected]
> > http://mailman.qth.net/mailman/listinfo/r-390
>=20
> --__--__--
>=20
> Message: 14
> Date: Fri, 23 Aug 2002 13:33:00 -0700 (PDT)
> From: "Tom M." <[email protected]>
> Subject: Re: [R-390] Capehart or Collins: which is better?
> To: kwylow zinjanthropus <[email protected]>, [email protected]
>=20
> With few exceptions, all R-390A's were built to the same Army =
specification.=20
> When they were new, you may have been able to tell a difference.
>=20
> At this stage of the game, the "best" radio, performance wise, would =
likely be
> determined by the skill of the restorer.
>=20
> You may just prefer Collins, which is OK too. But it won't necessrily =
work
> better.
>=20
> Experience has shown that a '67 EAC is a good platform from which a =
great radio
> can be had, but the older radios can also be made good as well.
>=20
> I have the oldest 390A I've ever seen, s.n. 7 from the first contract, =
and it
> works great because I've spent a lot of time on it. =20
>=20
> Bottom line, a careful restoration on a good sound hull will net you a =
good
> receiver, regardless of make IMHO. =20
>=20
> Your mileage may vary . . . =20
>=20
> 73 Tom N5OFF
> --- kwylow zinjanthropus <[email protected]> wrote:
> >=20
> > All:
> >=20
> > Just wanted to know which unit is better? A Collins built R-390A or =
a
> > Capehart built R-390A? I'd like to know in terms of sensitivity, =
quality,
> > etc. I'm contemplating ridding myself of a Capehart R-390A (in =
pretty good
> > condition) for a slighly used R-390A built by Collins.=20
> >=20
> > I suspect that I'll have higher sensitivity, more quality =
components, and an
> > overall better receiver if I make the switch. What do you think? =
73's de Cal,
> > N6KYR.=20
> >=20
> >=20
> >=20
> > ---------------------------------
> > Do You Yahoo!?
> > Yahoo! Finance - Get real-time stock quotes
> >=20
> > --- StripMime Report -- processed MIME parts ---
> > multipart/alternative
> > text/plain (text body -- kept)
> > text/html
> > The reason this message is shown is because the post was in HTML
> > or had an attachment. Attachments are not allowed.
> > Please post in Plain-Text only.---
> > _______________________________________________
> > R-390 mailing list
> > [email protected]
> > http://mailman.qth.net/mailman/listinfo/r-390
>=20
>=20
> __________________________________________________
> Do You Yahoo!?
> Yahoo! Finance - Get real-time stock quotes
> http://finance.yahoo.com
>=20
> --__--__--
>=20
> Message: 15
> Reply-To: "Walter Wilson" <[email protected]>
> From: "Walter Wilson" <[email protected]>
> To: <[email protected]>, <[email protected]>
> Cc: <[email protected]>
> Subject: Re: [R-390] Broke 390 latest
> Date: Fri, 23 Aug 2002 16:50:56 -0400
>=20
> > Oh I forgot, as to what you should do with the 390. Sell it and get
> > your 390a back if you can!
>=20
> Now there you go trying to start some trouble. Now everyone will =
pitch in
> with their opinion of the R-390 versus R-390A. You'll hear opinions =
from
> both sides, probably, so here's mine:
>=20
> I've worked on a LOT more R-390A receivers than R-390. I know a lot =
more
> about how to tweak and tune and fix the A model. I feel like I can do =
a
> good job on just about any R-390A, but don't have that same level of
> confidence (yet) on the non-A. BUT, here's the kicker. I have one =
non-A
> that I've worked with, and it has BETTER performance than my best A =
model in
> both SENSITIVITY and AUDIO QUALITY. Get in a tight band listening to =
AM
> with some SSB signals nearby, and the mechanical filters in the A =
model will
> put it a step ahead. But on a normal night, the non-A wins in my book =
EVERY
> time. I especially love the MED (medium) "audio response" position on =
the
> non-A, which the "cost-cutting" A model left out.
>=20
> OK. I'll crawl back in my hole now, but you got me stirred up.
>=20
> Walter Wilson - KK4DF
> http://r-390a.us
> (REAL Radios: R-390A, R-390, T-368E, Ranger, Thunderbolt, KWM-2A)
>=20
>=20
>=20
>=20
> --__--__--
>=20
> _______________________________________________
> R-390 mailing list
> [email protected]
> http://mailman.qth.net/mailman/listinfo/r-390
>=20
>=20
> End of R-390 Digest
>=20