Help with AOR 100 mod

[rockon1]

Originally Posted by CRU JONES

The AOR looks alot like the Ampeg VTL50/100 series of amps designed by Lee Jackson(!). I have a buddy with the vtl50 and it is very kickass! You should check those schematics out for some comparisons.

Also, Matt's idea with grid stoppers is a very good one. try bigger values than 68k, 220k, 330k, or even 470k. The grid stoppers create a RC rolloff with the interelectrode capacitances. They will kill the fuzzyness bigtime.

In the end I used a 470k input grid stopper resistor. Works well. Bob