On power up, I was greeted by a THUUUH-THUH-THUH-THUMP of the 5U4GB rectifier tube in the right side amp arcing over, then silence. Uh oh.
Blown fuse. WHEW! Replaced, brought it up slowly on a varicac; no arcing, but drawing too much current. OK, time to stop procrastinating and swap out the...