Moog Moogerfooger MF-102 Ring Modulator Pedal

Ring Modulator Effects Processor for Guitar, Bass, or Synthesizer - Black
Moog Moogerfooger MF-102 Ring Modulator Pedal image 1
Moog Moogerfooger MF-102 Ring Modulator Pedal image 1
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Moog Moogerfooger MF-102 Ring Modulator Pedal
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The Moogerfooger Ring Modulator!

The Moog Moogerfooger MF-102 Ring Modulator rebuilds your sound into two separate tones and then uses an internal carrier oscillator to spread those tones apart in the frequency spectrum. The higher the carrier frequency, the more the new tones are separated. The MF-102 serves up an astounding range of effects; from slow, velvet-smooth tremelo, to chains jangling in a Chinese gong, to classic "outer space" sounds. The LFO (Low Frequency Oscillator) imparts trills, vibratos, siren effects. You want unlimited new sounds? You got 'em - courtesy of the Moog Moogerfooger MF-102 Ring Modulator.

Moog Moogerfooger MF-102 Ring Modulator at a Glance:
  • You'll have a blast unleashing ring modulation effects
  • You're definitely going to want an expression pedal...
  • A bona fide Moog
You'll have a blast unleashing ring modulation effects

Inside the Moog Moogerfooger MF-102 Ring Modulator chassis is a ring modulator, a voltage-controlled carrier oscillator, and a voltage-contolled dual-waveform LFO. OK - but how does this wondrous pedal do what it does? Well, it's complicated, involving a lot of math and equations and such. We know - you thought there'd be no math, but the genius is in the details, and here the details are in the sum and difference. How you get the sound is far less important for most of us that how the sound affects your signal. Just believe us when we tell you you'll have a blast with the MF-102 Ring Modulator.

You're definitely going to want an expression pedal...

Like all the Moogerfoogers, the Ring Mod is all analog and can be controlled using a Moog EP-2 expression pedal. Past experience tells us that great things happen when you plug in an expression pedal or two and start ring modulating in real time. It really must be experienced to be believed, so buy the Moog Moogerfooger MF-102 Ring Modulator now! And don't forget to add at least one expression pedal to complete the magic.

A bona fide Moog

Use the Moog Moogerfooger MF-102 Ring Modulator with keys, guitar, bass, samples, or even recorded tracks, for effects ranging from subtle - to completely off-the-wall. The MF-102 serves up the pure analog mojo for which Moog is famous - and it's got the pedigree to prove it: this Moogerfooger was designed by the legendary Bob Moog, and is a direct descendant of the original Moog modular synthesizers. Need we say more?

Moog Moogerfooger MF-102 Ring Modulator Features:
  • Frequency control varies the carrier frequency over a six-octave range
  • Rate control varies the LFO's frequency from 0.1 Hz to 25 Hz
  • LFO Amount control adjusts the amount that the LFO output sweeps the carrier oscillator
  • Mix control crossfades continuously from unmodulated to modulated audio
  • Drive control adjusts the gain of the audio input
  • Square/Sine rocker switch chooses the LFO waveform
  • Lo/Hi rocker switch chooses between the frequency carrier range (2 Hz to 130 Hz) and high frequency
  • Carrier range: 60 Hz to 4,000 Hz
  • Level - a 3-color LED that is used to set the DRIVE control
  • LFO - an LED that indicates the LFO rate
  • Bypass - a 2-color LED that tells whether the ring modulator is on or bypassed
  • On/Bypass - a rugged, smooth-acting stomp-style actuation switch
  • Included 110v power supply for use in US or Canada
Juice your sonic palette with the Moog Moogerfooger MF-102 Ring Modulator!

Additional Media

Moogerfooger MF-102 Ring Modulator - Black User Manual

Tech Specs

Pedal Type Ring Modulator
Inputs 1 x 1/4"
Outputs 1 x 1/4"
Height 2.5"
Width 6"
Depth 9"
Weight 2 lbs.
Power Supply Included Yes
Manufacturer Part Number MF-102-0001

Customer Reviews

Based on 3 reviews
Write your review

Yet another awesome Moog effects box!

This device features a warm sound you simply do not get from DAW plug-ins and similar digital effects. The knobs invite a very musical experimentation and sonic tweaking.

You can't use just use one of these...

I am a newbie when it comes to analog synths; however this is one of two Moogerfoogers I purchased after doing my research. I also bought the MF-101 Low Pass Filter. To get the most out of it, you need an expression pedal. It sounds great with my guitar and my Gr-55 synth. I use alsot with my RC 300 looper, which has opened up lots of possibilities to create moving effects and tone shaping. This is not one of the "set it and forget it" type of pedals, you should go deep and experiment. The analog tone sounds very good when I use with my Fender HotRod Deluxe III amp as well. It totally screams deep and rich through my PA system as well.
Music background: Pro gigging guitarist jazz, blues, etc.

Beautiful device

This is a lovely unit. It's surprisingly large and heavy and the build quality is exceptional. It's actually three devices in one. There are two oscillators, the LFO and the Carrier whose frequency can be modulated by the LFO. I plugged the carrier output into my mixer and listened to it while playing with the controls. You can make a lot of cool sounds just by playing with the two oscillators, without even plugging an instrument into it. The third part is of course the actual Ring Modulator which modifies your instrument signal by multiplying it with the carrier. As expected, you can go from simple tremolo to crazy clanging sounds that don't sound much like the original instrument. Adding a foot pedal (or some other external control voltage) increases the range of the oscillators far beyond what they can do without it. As a synth guy who is already familiar with analog techniques, I didn't need the manual, but I read it anyway. It is very well written and explains everything you need to know in a clear but detailed way. One small thing is that the manual refers to the 'sine' wave as 'sine-like' -- and this is true; both the LFO's 'sine' option and the carrier are actually triangle waves. This doesn't make any real difference to the sound but it might be important to someone who was expecting a true sine wave for some reason. I have only one gripe, for which I deducted half a star. The bypass 'stomp' switch sometimes bounces. This means that sometimes it doesn't register that I pressed it, and sometimes it registers twice, thus switching on and off again. This is only a slight annoyance in the studio but it might be a bigger issue if you intend to use the unit live on stage. I'm surprised Moog didn't add a simple debounce circuit to address this issue.
Music background: Bedroom musician since 1977

Sweetwater Advice

Nick Schenkel

Moog's Moogerfooger MF-102 Ring Modulator opens up so many sonic possibilities. Not only does it operate as a beautiful analog ring modulator, but thanks to the Control Voltage inputs and ouputs it can be used in numerous ways to bring your sounds into new territories. I am particularly impressed with the ability to route your own carrier signals into and out from the MF-102. Also, the LFO section has its own output, allowing you to synch other parameters to the LFO in this moogerfooger (particularly helpful if you are trying to synch the LFOs of other Moogerfoogers in your rig). The more I play with this pedal, the more tricks I discover.
See also: Harmonizer Pedals, Moog, Moog Harmony Processors, Moog DJ Effects