[R-390] More Ballast Tube Noise

[Cecil Acuff]

As I see it the important part is getting receiver #2 "Exactly into position 
previously occupied by Radio #1".  If you don't...proper orientation of the 
tube as described in step 4 is moot because you will at minimum bend tube 
pins but most likely miss the socket all together.

Cecil....
----- Original Message ----- 
From: "Barry Hauser" <barry at hausernet.com>
To: <N4BUQ at aol.com>; <r-390 at mailman.qth.net>
Sent: Thursday, February 10, 2005 11:43 AM
Subject: Re: [R-390] More Ballast Tube Noise


>> How do you "change a tube radio"?
>>
>> Barry(III) - N4BUQ
>
>
> 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
>
>
>
>
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