I built an Amp 6 Basic about 6 months ago and just now am getting around to powering it with a proper transformer and power supply rather than the smps that I was using. Ever since I first completed the project, there has been an audible white noise in the background. It all but disappears during loud passages, but is just audible enough in the quiet parts to cause me some serious stress. I thought powering it properly would help to eliminate this noise, but it actually seems to have gotten worse. Does anyone have any ideas about how to solve this problem?
Thanks a bunch,