Tube Amps / Music Electronics
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|previous: Steve Ahola Dave:||View Thread|
|5/23/2000 2:32 PM|
|Dave B.||Re: Dumble Clone Parts: Trannies etc...|
The dumb-pedal is basically the 97 schem. with the 70's style O.D. section. Here's the minor differences.
1) No 47 pf cap across the clean master. O.D. preamp has 180k - 250k gain pot - 180k, in between V2A & V2B. Cathode cap values the same a the 97.Across the first O.D. stage plate resistor - 500pf, 2nd stage A .003 & 500pf (.0035 total).
I've got a scanner now so i can send you a drawing if you like.