Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: joesatch on April 27, 2024, 06:18:29 pm

Title: bias pot wiper cap to ground
Post by: joesatch on April 27, 2024, 06:18:29 pm
what does it solve? do i need it? what value?
Title: Re: bias pot wiper cap to ground
Post by: Dave on April 27, 2024, 06:38:36 pm
What?
Title: Re: bias pot wiper cap to ground
Post by: sluckey on April 27, 2024, 07:30:13 pm
Quote from: joesatch on April 27, 2024, 06:18:29 pm
what does it solve? do i need it? what value?
Absolutely. Smoother dc bias voltage. Use same value as first filter cap.

     https://sluckeyamps.com/tdr/tdr.pdf

     https://sluckeyamps.com/sunn/sunn_sceptre_1971.pdf