Guyatone PS-101 Rolly Box Super Phase Sonix



  • Depth
    controls the depth/amplitude of the modulation (the size of the range in which the effect sweeps).
  • Speed
    controls the speed/rate of the LFO wave that controls the effect


a Guyatone brochure

Variable speed and depth controls on this pedal give a choice of slow, sweeping phasing, through to a rotating speaker effect and all stops in between.

Most recent forum threads

Where to find one?

your browser doesn't support AJAX?

low frequency oscillator lfo-controlled fx pedal stompbox stomp box guitar effects pedal fazer phaser modulation modulate time-based lfo phazer
Syndicate content

Subscribe to our newsletter

Also check out Effects Database's social media accounts: