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Stereo speakers "hum"

Why do my speakers "hum"

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Because they don't know the words. Hee-hee!!!

Is it on all sources or just the PHONO?

Remove and reseat all of the RCA cables everywhere. Bad grounding of a shield will allow AC frequency (hum) to enter the preamp.

Try rotating the orientation of the AC plug if it's an older non-polarized one.

Posted on May 18, 2009

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