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Message: <blockquote data-quote="dB-r" data-source="post: 5372328" data-attributes="member: 574699">Usually when outputs fail they don't smoke, they just become a dead short and causes the power supply to "overload" because it is now running massive amounts of current into a dead short.   You could just need a power supply rebuild, but power supplies in these larger amps usually fail for some other reason than something being "bad" in the power supply itself, not all that likely, outputs run at high voltage and the output FETs have a much lower current rating than the power supply FETs.Could also be a transformer winding short or one of those modules could have gone bad, but usually that throws the amp into protect, however if an output went bad, the modules might just keep on doing their thing, not triggering the protect circuit and then "poof" there goes your power supply...</blockquote>

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