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I recently converted my moviola URS to guitar as per schem. I have a noise problem, the amp is awesome until i turn it up past halfway. If i turn it up slowly at half way it starts off as a fast high pitch squeeking, then if i turn it up more the sound becomes louder and a consistent constant feedback pitch. and i can go higher cause my ears start to hurt. Grounding the input doenst make it go away so its inside the amp. any help?
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Most likely, your lead dress. If you get output wiring near input wiring, they will couple, and feedback occurs. For example getting output transformer wires near wires/parts involved with V1A.Education is what you're left with after you have forgotten what you have learned. -
nothing seems obviously close, i used sheilded cable for the V1a wiring, i could move stuff around so see if it helps, This wouldnt been a ground loop issue right? Any other things to try would be great. thanksOriginally posted by Enzo View Post
heres before and after.
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