[Amps] GU74B's

["Dave Hachadorian" <K6LL@ARRL.net>]

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?


Dave Hachadorian, K6LL
Yuma, AZ























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