ok, so i was being a little clumsy in the morning while setting up for praise at my church.and well.. i droped my basss it worked fine untill i touched my knobs to adjust my tone, no sound came out of the amp. then it would just blow out a note. extreamly loud. i dont know what to do. any suggestions? i am thinking of dropping it off at G-center so they can take a look at it and fix it. but before that, i want to see if its something i can fix. please help me!