Retubing a 2266c. The DC mV readings at TP1 and TP2 at the bias testpoint were ~ 350mV
on one side and ~ 500mV on the other. I shut the amp before they got higher.
Using Tung-Sol 12AX7 preamp tubes and Tube Amp Doctor KT-66s poweramp tubes.
The schematic shows 48mVs at TP1 and TP2.
What...