[Amps] GU74B's

[Carl]

If nothing else is involved the tubes are fine since they werent powered up 
or emitting.

Good luck.

Carl
KM1H


----- Original Message ----- 
From: "Dave Hachadorian" <K6LL at ARRL.net>
To: <amps at contesting.com>
Sent: Tuesday, August 25, 2009 12:48 AM
Subject: [Amps] GU74B's


>I have a commercial amp that uses a pair of GU74B's
> (4cx800a's).  Due to a recent cable failure in the filament
> circuit, there was no filament voltage, but plate voltage,
> screen voltage and RF drive were applied.  After I get the
> filament cable problem fixed, can I expect the tubes to have
> survived?
>
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> Dave Hachadorian, K6LL
> Yuma, AZ
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