Fixing that Solid 2 and getting MJE15032's and 33's in the driver slots makes the solid 2 a magnepan speaker lover. Lots of driver juice available now. I've stumbled on two SA-220 amplifiers in need of service. I think I see the output mosfet bias problem. I will verify and share the solution to the problem in simulation and after practical test. It would be a lot easier if I had the actual schematic as the SA-100 is the only close schematic readily available. Does anyone have a Counterpoint SA-220 schematic or service manual ?
