Hi everyone,
Over the past couple of weeks my Line 6 Spider IV 30 has started whistling in high-gain situations. I've tried this with several different guitars and have the same results, so I don't think it's a pickup-related problem.
Interestingly, I haven't noticeably changed anything recently - the amp is in the same location in the same room I've had it for the past 2 years, I sit in the same location to play, I have a programmed high-gain setting which I use, same cord. Nothing jumping out as obvious that might be new and causing interference.
Any suggestions on how I might troubleshoot this?
Thanks.
Steve
