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Post by jimfla on Mar 16, 2007 23:39:18 GMT -7
I just got a Ghia head. There is a very high pitched noise that changes in tone and volume in the background even when nothing is plugged in the amp. Anyone have any suggestions.
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Post by Matt H. on Mar 17, 2007 7:25:46 GMT -7
Sounds like a bad tube - That happened when I had a mini z - I changed the 12AX7 and the noise was gone. I bet the experts here would know for sure.
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Post by guitarboy02451 on Mar 17, 2007 9:02:06 GMT -7
yup, Matt is right. I'd start replace the first 12ax7 if that doesn't do it, replace the next. Then start on the el84s.
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