Mutron Bi-phase

The Mutron Bi-Phase is a phaser pedal used by Prince on For You, Prince and Dirty Mind.

It can be heard on the songs "In Love", "Soft and Wet", "Just As Long As We're Together", "So Blue", "I Wanna Be Your Lover" "Do It All Night" and "Head" and was used as a guitar and keyboard effect.

Prince also used a Mutron Bi-Phase phaser pedal on the Prince tour. It remained in the collection at Paisley Park.