(Topic ID: 208429)

HH speaker hums

By Boltronix

3 years ago

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#1 3 years ago

HH speaker hums, hum increases with pot. 1 amp slo blo was blowing. traced it too 30vdc circuit on sound board. upgraded the amp on sound board that uses that 30v. now the fuse does not blow but no sound only hum. was working prior to witnessing 1 amp slo blo fail when i turned pot in cabinet. the pots on the sound board seem to work as they change volume as expected. whats next?
thanks in advance, Walt

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