[R-390] More Ballast Tube Noise

[Jim Shorney]

You guys are all missing the point. To change a tube radio, first the
radio has to _WANT_ to change.



On Thu, 10 Feb 2005 20:33:17 -0800, Bruce Hagen wrote:

>No way that can be correct. It produces zero net BA gain.
>
>Bruce
>
>
>----- Original Message ----- 
>From: "wglevy" <levyfiles at att.net>
>To: "R390List" <R-390 at mailman.qth.net>
>Sent: Thursday, February 10, 2005 7:24 PM
>Subject: Re: [R-390] More Ballast Tube Noise
>
>
>> You all are wrong.
>> To change a tube radio you go to the boatanchor store and sell one and buy
>> another.
>> Whats hard about that?
>>
>> ----- Original Message ----- 
>> From: "Tom Norris" <r390a at bellsouth.net>
>> To: <R-390 at mailman.qth.net>
>> Sent: Thursday, February 10, 2005 3:38 PM
>> Subject: Re: [R-390] More Ballast Tube Noise
>>
>>
>> >
>> > I've used a similar method several times in the past, however instead of
>> > a ballast it was a radiator cap and instead of a "tube radio" it was a
>> car.
>> >
>> > Tom NU4G
>> >
>> > >  > How do you "change a tube radio"?
>> > >>
>> > >>  Barry(III) - N4BUQ
>> > >  to which one of the other Barry's replied ---
>> > >
>> > >Actually, Namesake-san, the thing reads "Can be changed as easily as a
>> radio
>> > >tube"  However, if you want to do it the other way around, this can be
>> > >accomplished by means of the following procedure:
>> > >
>> > >1.  Unplug ballast tube from Radio #1 carefully, avoiding excess 
>> > >wiggling
>> > >and jiggling and set tube aside carefully in a safe place..
>> > >2.  Remove Radio #1 and set aside (for shipment approved repository --
>> > >address to be supplied later)
>> > >3.  Move Radio #2 (w/o ballast tube) exactly into position previously
>> > >occupied by Radio #1.  (Radio #2 must be a compatible model, such as
>> > >R-390/URR, R-390A/URR, R-391/URR, etc, -- not a Zenith Transoceanic 
>> > >which
>> > >requires a 50A1 ballast tube, unless Radio #1 is a Zenith H-500, x-600,
>> > >R-520, of course.)
>> > >4.  Lower ballast tube removed in step one into position in Radio #2,
>> being
>> > >careful to orient pins properly and gently press downward to install 
>> > >into
>> > >socket.
>> > >5.  Congratulations!  You have now successfully changed a tube radio.
>> > >
>> > >runnin' & duckin'
>> > >Barry



-- 
Jim Shorney      -->.<--Put complaints in this box
jshorney (at) inebraska.com
nu0c (at) amsat.org
Ham Radio NU0C
Lincoln, NE, USA
EN10ps
http://incolor.inetnebr.com/jshorney/