Hoffman Amplifiers Tube Amplifier Forum

Amp Stuff => Tube Amp Building - Tweaks - Repairs => Topic started by: JML on April 15, 2016, 06:10:51 pm

Title: Added bias pot to Pignose G60VR Tube Combo
Post by: JML on April 15, 2016, 06:10:51 pm

Here is a picture of an easy way to convert to adjustable fixed bias on this all tube Pignose . Bias pot in series with R2 .Changed R2 to a 47K(was 68K) and the Cermet pot is 50K. Hot glued pot in place . Also installed a Mercury Magnetics Tone Clone FBF VV -OM output xfmr .