So, got the parts, 8- 3300 / 3w wirewound, and 4-10 / 5w metal oxide resistors. Replacing all of these was critcal. They half the outer rail 106v, and provide the +/ - 50v inner rail. All old 3300 were way out of spec. Now, all test excellent, stable, Bias 35ma, Offset 0. So far, music levels...