Dr. Z Amplification

Cleveland, OHFounded 1988

Dr. Z Amplification hand-drills, hand-pins, and hand-wires every guitar amplifier at its Cleveland, Ohio workshop. Founded in 1988 by Mike Zaite — a former GE medical technician and lifelong tube enthusiast — the company has earned a worldwide following for touch-responsive, harmonically rich USA-made tube tone across fifteen distinct models.