Power amps blow when they are driven to clipping and don't have any protection against it. I blew mine up by foolishly using a guitar cable as a speaker cable. What looks on the surface like a worthless amp, though, can usually be fixed fairly easily. In this video I share how I saved myself a ton of money on another, and hopefully it can save yours too along with some heartache.
Chapters:
00:00 Intro
00:33 Determining if the Amplifier is Blown
03:51 How an Output Transistor Works
05:13 Output Transistor Failure Modes
07:56 Finding & Replacing the Bad Transistor(s)
13:52 Transistor Diagnosis Explanation
17:18 Wrapping Up