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Soft hum at no volume in tube clock radio

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#13

05-24-2013, 12:08 AM

maxhifi

VideoKarma Member

Join Date: Dec 2010

Posts: 1,871

If there is a capacitor bypassing the AC line, make sure it's OK.

That "buzzing" is difficult to figure out sometimes, I've traced it to cheap switch mode power supplies in the area, but no saying it isn't internal

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