[Hammarlund] Speaking of Tubes

[Kenneth Grimm]

Ah, yes, the FRR and SRR 11, 12 and 13!  The tubes were bad enough, but the
little cast aluminum link arms that were used in the band switching gear
were always breaking.  I still have an unbroken one that  has been hiding
in my desk drawer for years.  I'll happily send it to someone who is still
fooling with these radios.  Just cover my postage.

73,

On Wed, Oct 1, 2014 at 4:02 PM, James A. (Andy) Moorer <
jamminpower at earthlink.net> wrote:

> I might remind folks that the FRR-21, 22, 23 (and SRR-11, 12, 13) used
> those &$%##! Raytheon subminiature tubes:
> http://www.effectrode.com/signal-tubes/subminiature-tubes/
> http://www.navy-radio.com/navy-rcvrs.htm
>
> My cursing is not about the tubes, but is about the fact that they
> soldered them to the PC boards in the modules on those radios. No random
> tube-swapping to find a fault - no tube extender sockets so you can probe
> the signals on the pins. They actually did make a socket for them - it
> looked like a linear 5 (or more)-pin transistor socket.
>
> --
> James A. (Andy) Moorer
> www.jamminpower.com
>
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-- 
Ken - K4XL
BoatAnchor Manual Archive
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