My guitar amp fm212 when I plug input jack makes popcorn noise.
crwdns2934249:0crwdne2934249:0:
My guitar amp fm212 when i plug input jack makes popcorn noise, when i plug the guitar cable make hudge noise like pumping ur popcorns pumping.... when i take the jack of finish, i tested several jack cables and diferent channel amp even the pre in and makes same noise,...