good day
i traced my amp tonestack and i found this check below pic..when i turned down the all knobs to zero the output signal of my amp lost i mean no output at the speaker..is there a problem in the components of this tone stack?? when i turn up the knobs again the signal came back..??sorry my amp lots of problem its a cheap amp i think from elswhere i dont know..
any advice or opinion or solution??
thanks