whitetele
New member
Anyone has got this problem? I got a new Fender 57 mini twin and i can't get it to work with my Boss PSA 9V 200ma adaptor. Tested the adaptor with my SD-1 it works but not with the twin amp. Have not got the chance to try with battery yet. There's also a ribbon in the batt compartment. Should I pull it out to 'activate' it?? HelP!