[Amps] Bias Whoes

[Gudguyham at aol.com]

In a message dated 2/24/04 12:33:24 AM Eastern Standard Time, 
hahn at emeraldis.com writes:


> I can't get tubes to have idle current 
> of 100ma. every time I key its "MAX" current on the plate, even without 
> any audio input to transceiver. Maybe I am doing something wrong on the 
> input? Chuck AI4BB
> 
> 

DO YOU HAVE ANY PARASITIC SUPPRESSORS?  SOUNDS LIKE THE AMP IS OSCILLATING. 
COULD BE SOMETHING WITH THE INPUT TOO.