D dread40 Member Joined 2013 2021-01-03 8:56 pm #1 2021-01-03 8:56 pm #1 my amp is power up, i'm getting harmonic sound, when i put an input jack in and a bad humming out the output. need your help please. thanks i try to up load schematic. Attachments earthquake_phd2_schematic.pdf earthquake_phd2_schematic.pdf 137.5 KB · Views: 84
my amp is power up, i'm getting harmonic sound, when i put an input jack in and a bad humming out the output. need your help please. thanks i try to up load schematic.
