Ann Arbor’s best choice for quality guitar and audio amplifier services, including modifications. Specializing in the servicing of, vintage tube type amplifiers, effects mods, wha peddles and more for Musicians and Hi-Fi audio enthusiasts. Hours are on an appointment basis to fit your schedule. A bench fee of $99.00 deposit required for evaluation of your gear. I guarantee that every device I work on is treated like it was my own. Frank the Amp Man. Please, no walk-ins’ as I’m Retired, call me anytime.