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ampage archive
Vintage threads from the first ten years
noise pickup on gigs
 9/20/1999 1:20 AM |
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Andy Fuchs | noise pickup on gigs I've built a Dumble OD-50 based on Steve Aholas website schematic. It uses a Dynaco Mk-3 power transformer,a Marshall 50 W output trans and (this is the kicker) is built into a Fender Champ cabinet with a Jensen P10 reissue. I managed to squeek in a reverb too (is this sick enough ?). ANyway, at home (and on some gigs) it sounds awesome, but on some gigs the noise pickup is unbearable ! I'm using a computer style AC IEC socket with built-in filtering and a three prong cord. The top of the cabinet is covered in copper tape, which is tied to the chassis ground. Do I need a ground lift or polarity switch ? In my home it's silent. I even have DC filaments on the input tubes. Thoughts ? |
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