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What do bad caps sound like?

My MF Nuvista M3 is out being re-capped at the moment - preemptively as I don't think I had an issue - but just out of curiosity, if caps were to go bad in an amp is there a particular sound that makes, or specific degredation in sound quality?
grimace

Showing 1 response by rwwear

rwwear
2,887 posts
 
You will usually get a hum that may increase while your amp is playing music and the caps discharge. Bad power supply caps can no longer block ripple current.

http://www.kpsec.freeuk.com/powersup.htm#smoothing
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