ST70 Series II hummmmmmmmmmmm

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ST70 Series II board that runs off old Dynaco iron has started to hum through my speakers. Was never a problem in the past. Started low level hum, then got louder, now downright annoying. Thoughts?

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Topic - ST70 Series II hummmmmmmmmmmm - dst 17:10:57 12/3/00 (2)

Re: ST70 Series II hummmmmmmmmmmm Cap failure or loose ground? - freddyi 17:37:07 12/3/00 (1)

Cap failure or loose ground? - steven oda 22:56:38 12/3/00 (0)

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