Home Forums GuitarPCB Build Support P.U.F.F. Problem Reply To: P.U.F.F. Problem


The correct voltages for biasing Q2 collector are -4.5 to -5.5v

I personally bias by ear to where I think it sounds good and it doesn’t always read within that range, it can vary

Its worth noting that hFE, leakage and temperature all affect germanium transistors, how are you taking your readings