Described as the world's first dual phasor, the Mu-Tron Bi-Phase consists of two separate 6 stage phasers and two corresponding oscillators. Each circuit contains some additional tonal controls, allowing for versatility and person in generating this unique effect. Includes an A/B footswitch to activate both phase circuits and three different paper instruction sheets, outlining how the user can create two speed, super, and/or stereo sweeping effects.

Medium amount of blemishes, dings, nicks and scratches around the corners and sides of the unit, but nothing out of the ordinary. Normal wear for a unit from the mid 70's.

The A/B pedal has a little more wear around the bottom, showing corrosion in the paint that is more visible, but merely cosmetic