Page 1 of 1

Rockerverb 50 buzzing/crackling noise

Posted: Sat Oct 04, 2014 1:31 am
by rickenbeatle
A weird buzzing/crackling sound comes in for about 30 seconds, then it goes away and comes back. Any idea what might be the problem? When I touch the knobs on the amp, it sometimes makes a thumping-like noise. Any help would be greatly appreciated! Thanks!