sfstereo

Responses from sfstereo

Help! Power supply woes
John, How did you determine that it was the transformer? If the transformer is properly fused, it's pretty rare for the transformer to open. My dad's preamp that I fixed a couple of weeks ago had a bad bridge rectifier. I hope is something else in... 
Bad Transformer?
I kind of doubt is the transformer. Since the amp is pretty old, my guess is the power supply is failing. The capacitors may be drying out and retain much charge anymore. If you replace the caps, I would also consider replacing the rectifiers. The...