Fender Mustang GT40 amp external speaker mod

did a simple job for a friend. he has some extra 50’s Jensen speakers and wanted to use them with this GT40 amp. he told me GT40 has mono and stereo output mode. so, we decided to leave one of the 6.5″ speakers as it was. then put a long thread 1/4 jack on the … Continue reading Fender Mustang GT40 amp external speaker mod