Electro Harmonix Bad Stone Phase ShifterEHX has resurrected the legendary Bad Stone Phase Shifter. With prices of 1970s vintage Bad Stones soaring, now is your chance to get a reissue that is faithful to the original circuit design and three knob control layout, but features up to date enhancements for the modern player. The Bad Stone delivers an incredible six stages of phase shifting plus a manual mode that lets the player freeze the phase. Its Rate knob controls the phase shifting speed