Moog Music MF-102 Moogerfooger Ring Modulator Pedal

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Manufacturer: Moog Music

Category: Recording & Playback



The Moog MF-102 Ring Modulator is an award winning effect designed by Bob Moog.


The Moog MF-102 Ring Modulator is a direct descendant of the original Moog modular synthesizers.


It contains three complete modular functions: a ring modulator - a voltage-controlled carrier oscillator - and voltage-contolled dual-waveform LFO. It can be used to process any instrument-level to line-level signal.


The moogerfooger ring modulator can create effects ranging from subtle tremolo to harmonically rich distortion - gong-like sounds - sweeps - swoops - and divebombs.


It can be subtle - or outlandish in it's use - you decide!

Additional Info

Additional Info

  • Moog MF-102 main features include:
  • FREQUENCY rotary control - which varies the carrier frequency over a six-octave range.
  • RATE rotary control - which varies the LFO's frequency from 0.1 Hz to 25 Hz.
  • LFO AMOUNT rotary control - which adjusts the amount that the LFO output sweeps the carrier oscillator.
  • MIX rotary control - which crossfades continuously from unmodulated to modulated audio.
  • DRIVE rotary control - which adjusts the gain of the audio input.
  • SQUARE-SINE rocker switch - which chooses the LFO waveform.
  • LO-HI rocker switch - which chooses between the low frequency carrier range (2 Hz to 130 Hz) and the high frequency carrier range (60 Hz to 4 - 000 Hz).
  • LEVEL - a three-color LED that is used to set the DRIVE control.
  • LFO - a LED that indicates the LFO rate.
  • BYPASS - a two-color LED that tells whether the ring modulator is on or bypassed.
  • ON/BYPASS - a rugged - smooth-acting stomp switch.
  • AUDIO IN 1/4" phone jack - accepts any instrument-level or line-level audio signal from -16 dBm to +4 dbm.
  • AUDIO OUT 1/4" phone jack - -4 dBm nominal output level.
  • FREQUENCY - RATE - LFO AMOUNT - MIX - all of which are stereo 1/4" jacks that accept moogerfooger EP1 (or equivalent) expression pedals - or control voltages from two-circuit or three-circuit 1/4" jacks.
  • AUX AUDIO IN - provides a means of applying an external signal to the ring modulator - in place of the carrier oscillator
  • LFO OUT jack - delivers the LFO voltage for use by other voltage-controlled devices.
  • CARRIER OUT jack - delivers the carrier signal for use by other devices.
  • +9V POWER INPUT jack
  • CASE: Black panel with hardwood sides - classic analog appearance.