Question about Lexicon LX-7 7-Channel Amplifier
Crate gtx 65 guitar amp
lots of mains hum on all channels even when all volumes / gains at zero. seems to be from the pre amp stage because if pre amp disconnected from power amp then no hum ! otherwise seems to function normally. looking for circuit diagram and or any tips for locating fault
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Posted on Jan 02, 2017
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