Musitronics Mu-Tron Bi-Phase with C-100 Opti-Pot Pedal Modular Synth You can also use the

You can also use the Grand Orbiter as a true pitch vibrato with the “Phase/Vibrato” switch

In very good overall condition with some scuffs/dings/signs of age but nothing major

Rocker switches below the keys control various filters/tremolo depth etc: some are more effective than others

Overhauled by our tech and sounding superb

Musitronics Mu-Tron Bi-Phase with C-100 Opti-Pot Pedal Modular Synth You can also use theStunning condition and complete with the rare Opti Pot controller. Serviced, calibrated and in full working order sounds superb. Freshly serviced and calibrated by our tech sounds spot on. Converted to 240v (can be swapped back to 110v if needed). We love Bi Phases (it's in our top three phasers for sure) and we're not alone: not only are they a staple effect of many dub reggae producers (Lee Perry most notably), but they're widely used with guitars