Yeah, I know ... zombie thread.
I restore vintage amps and receivers and I just finished another not-so-vintage C372. Here are my findings regarding capacitor/reliability issues with these units.
* the PCB layout fosters caps prematurely failing. If you notice the red arrows to the right of the transformer...that's the PS regulation stage. If you look closely, you can see where I'd added an aluminum heat sink on top of the factory heat sink (courtesy of JB Weld and yes, JB Weld transfers heat). Those heat sinks...
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