[Milsurplus] more tube stuff!

[WA5CAB at cs.com]

Ray,

R-808/GRC-14, the competitor to the R-392.  They both run a regulated "B+" of 
around 21 volts.

In a message dated 6/25/2004 2:49:15 PM Central Daylight Time, 
RAFANTINI at salisbury.edu writes: 
> As long as we are on the subject of tubes, the R-392 has no high voltage
> or at least in a sense that I understand B+ in vacuum tube radios. The
> 24 volt input is used to feed all the plate and screen circuits. I do
> remember that it used a special audio output tube , the 26A6 but do not
> remember if it used regular cutoff pentode ( 6BA6?) in all the other
> stages or some special tube for working with the low voltage? has been a
> while and I know they have a flock of tubes in them, just do not know
> the number. also is their any other military radio, with the exception
> of those strange little WW2 LF beacon receivers that used the same
> trick?

Robert Downs - Houston
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