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Hatcher

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About Hatcher

  • Birthday 07/06/1962

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  1. Hi All I really hope someone out there can help me out. I have a SWR Basic Black Combo which has an issue. When I plug in it sounds fine for about a minute then it sounds warbly (if that makes sense) almost like a distorted tremelo. Alas SWR sold to Fender and there seems to be zero support these days. I am pretty good with circuit boards to component level but really don't want to desolder each component to find out which one is defective. I tried different cable, different guitar, both active and passive inputs, external speaker and just about everything else. I did notice the high power resister which looks after the horn was not connected both ends so did put that back on in the hope that was the issue. It was not. There is a Chinese 12AX7 on the circuit board which lights up but I have no means of testing it. Anyone have ANY clues at all? Cheers Andy
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