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previous: Overdriven This may be a rookie question but I... -- 6/7/2000 9:47 PM

Re: Power Scaling

6/8/2000 12:09 AM
Frank Clarke	Re: Power Scaling I have built this, (radio shack transistor) and it works as advertised on a Fender Blues Junior. This will reduce volume as you near maximum power output. It isn't variable, but variable means complex. You neeed to rebias if you drop B+. http://www.aikenamps.com/Zener2.PDF Pentode->Triode operation, Power attenuators and padded enclosures are alternatives. With a 60W amp you may need to use more than one method. Guitar Amp Tone, Guitar Effects Placement, and Quiet Cranked Tube Amp Tone: http://www.amptone.com/

6/8/2000 12:09 AM

Frank Clarke

Re: Power Scaling

I have built this, (radio shack transistor) and it works as advertised on a Fender Blues Junior.
This will reduce volume as you near maximum power output. It isn't variable, but variable means complex. You neeed to rebias if you drop B+.
http://www.aikenamps.com/Zener2.PDF

Pentode->Triode operation, Power attenuators and padded enclosures are alternatives. With a 60W amp you may need to use more than one method.

Guitar Amp Tone,
Guitar Effects Placement, and
Quiet Cranked Tube Amp Tone:
http://www.amptone.com/

Replies:

Spence Thankyou Frank, the amp I have is c... -- 6/8/2000 3:16 PM