Musitronics Mu-Tron Bi-Phase with C-100 Opti-Pot Pedal Book 6 - it autotunes without

6 - it autotunes without issue once it's been allowed to warm up

inventor of the Mu-tron recommended this pedal as the nearest equivalent to an original Mu-tron

tested and in great working order

2018 at 9:18am PDT

Musitronics Mu-Tron Bi-Phase with C-100 Opti-Pot Pedal Book 6 - it autotunes withoutComplete with the rare Opti Pot controller. Serviced, calibrated and in full working order sounds superb. The condition is good with the usual signs of age. There are scratches, scrapes and dings to the case, but it's built like a tank and nothing affects the operation. The knobs have some wear and the tops have been re painted black to cover minor scratches. Click on the photos to zoom in and see more shots. The Opti Pot pedal has been modified to