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previous: Mark Buckingham I've posted this on the ax84 bbs, b... -- 12/17/1999 4:19 PM view thread

Re: Oscillating Amp

12/17/1999 11:31 PM
GVBRe: Oscillating Amp
quote:
"The tone starts ultrasonic when you flip the standby switch to the play mode, and gets lower over a second or two, finally settling in at the 1000hz range"
 
 
The last time I had a "dive bomb" type of oscillation was when I hooked up the OT out of phase. If you have a negative feedback loop, try temporarily disconnecting the -FB and see what happens. If it goes away, reverse primary leads of the OT.  
 
GVB  

 
Replies:
Mark Buckingham Re: Oscillating Amp - Fixed -- 12/20/1999 2:02 AM