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RE: Tube amplifier hum

Ok, check for loose pin connections.

Gently wiggle each tube and see if the hum worsens or goes away.

BTW what unit and tubes are we talking about?

How old are the tubes and do you have a replacement set to test with?

When was the last time you cleaned the pins?


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  • RE: Tube amplifier hum - airtime 07:37:04 05/20/17 (0)

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