- Mar 7, 2014
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I'm thinking this also. Sometimes I'll play through a little 9v powered HoneyTone amp when Im travelling or whatever. If I'm turned up all the way and I'm facing it/really close it will sometimes give off a high pitched squeal - not at all "useable feedback". Just super annoying.Since it works at lower volume/gain settings, I'd think about simple feedback being the issue. Have you tried dismounting the speaker, putting in an extension wire and testing it? If that makes it go away I'd suggest putting some form of isolation between the speaker and the mounting area in the cavity, possibly neoprene rubber or small o rings.
I did have the same problem with the neck removed. Strings were dangling from the bridge but not under tension. Pickup is direct mounted to the wood, but has a piece of foam under it to give a little springy height adjustment.Well that is the first step, now that you know it's a gain issue, you can test it with no strings on to see if it still occurs. If it does then isolation between the speaker and body with something flexible will help, as what I believe happens in that case is the coil in the pickup itself is moving and causing the noise. The Alvarez Scoop guitars had an issue with this in the early nineties and the manufacturor sent out o-rings to place between the pickup base and the springs to solve the issue. It worked mostly. This has been a fun one to follow.