hi, i have a mtx 1501d. it is making the sub make a high pitched squeal sound. a few ppl believe that a cap on the board is loose or dying. i have no experience in repairing amps and have no idea on what the "true" problem may be. i was looking to get a quote from you on fixing it, if you need me to open it and take pictures i can. please get back to me. thanks<br />
-Jason
-Jason