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Moog Music MF-101 Moogerfooger Low Pass Filter
MF-101
Moog Music MF-101 Moogerfooger Low Pass Filter

List Price: $299.00
Player Price: $264.00 (Includes FREE GROUND SHIPPING in the US!)

Availability: IN STOCK!


The award-winning MF-101 Lowpass Filter is a direct descendant of the original Moog modular synthesizers. It contains 2 complete modular functions: a voltage-controlled lowpass filter and an envelope follower. It can be used with any instrument level to line level signal.

The moogerfooger filter's control parameters are signal mix, cutoff frequency, resonance amount, and envelope amount. All of the Lowpass Filter's parameters can be controlled with expression pedals or external control voltages as well as by great feeling knobs which beg to be tweaked. Panel switches select filter mode and envelope follower speed. 1/4" jacks are provided for audio input and output, pedal/control inputs and envelope follower output. A heavy-duty, yet smooth-acting bypass switch allows tabletop or foot operation.

A lowpass filter removes high frequencies from a tone. It makes the tone sound more mellow or muted. The lower the Cutoff, the more muted the tone sounds. Imagine a window shade. As it is pulled down, it cuts out the higher light, then the light from the middle of the window, then finally all the light. The MF-101 Lowpass Filter does the same sort of thing to the sound spectrum with it's Cutoff Control.
As you turn up the Resonance control, the overtones near the cutoff frequency are boosted. Resonance gives the moogerfooger filter the same classic Moog filter sound as the Minimoog; and Moog modular synthesizers.

The envelope follower tracks the loudness contour (envelope) of a sound, and produces a voltage that follows the dynamics of your playing. Every time you play a note, the envelope voltage goes up and then down. The harder you play, the higher the envelope voltage goes. The envelope follower opens and closes the lowpass filter. Think of the envelope voltage as an invisible hand that turns the Cutoff knob up and down every time you play a note. Since the envelope follows the dynamics of your instrument's signal, you actually play the filter as you play your instrument.

Features Include:

  • Cutoff rotary control, which varies the filter's cutoff frequency over an 8-octave range
  • Resonance rotary control, which varies the shape of the filter's response, from pure lowpass to actual oscillation
  • Envelope Amount rotary control, which adjusts the amount that the input signal's envelope sweeps the filter cutoff frequency
  • Mix rotary control, which crossfades continuously from unfiltered to filtered audio
  • Drive rotary control, which adjusts the gain of the audio input
  • Smooth-Fast rocker switch, which chooses between smooth and fast envelope follower response
  • 2-Pole/4-Pole rocker switch, which chooses between 2-pole (bright) and 4-pole (deep) filter frequency response.
  • Level, a 3-color LED that is used to set the DRIVE control
  • Env, a LED that indicates the strength of the envelope voltage
  • Bypass, a 2-color LED that tells whether the filter is on or bypassed
  • On/Bypass, a rugged, smooth-acting 'stomp switch'
  • Jack Panel Features
    • 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
    • Cutoff, Resonance, Amount, Mix, all of which are stereo 1/4" jacks that accept moogerfooger EP1 (or equivalent) expression pedals, or control voltages from either 2-circuit or 3-circuit 1/4" jacks.
    • Envelope Out jack: delivers the Envelope Control voltage for use by other voltage-controlled devices.
    • +9V Power Input jack: accepts standard 9 volt power adapters (power adapter included)
  • Technical Info
    • Case: Black panel with hardwood sides — classic analog appearance
    • Dimensions: 9" x 6" x 2-1/2"
    • Net Weight: 2 lbs.
    • Power Requirements: 105-125 volt, 5W
  • FREE GROUND SHIPPING IN THE U.S.!
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Moog Music MF-102 Moogerfooger Ring Modulator
MF-102
Moog Music MF-102 Moogerfooger Ring Modulator

List Price: $289.00
Player Price: $274.00 (Includes FREE GROUND SHIPPING in the US!)

Availability: IN STOCK!


The moogerfooger Ring Modulator multiplies an audio input and a carrier oscillator to produce sum and difference frequencies. The unit has a wide-range carrier oscillator (2 Hz to 4 kHz in 2 ranges) and a dual-waveform LFO (0.1 Hz to 25 Hz, sine and square waveforms).

Features Include:

  • Frequency rotary control, which varies the carrier frequency frequency over a 6-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 3-color LED that is used to set the Drive control
  • LFO, a LED that indicates the LFO rate
  • Bypass, a 2-color indicator LED that tells whether the filter is on or bypassed
  • On/Bypass, a rugged, smooth-acting 'stomp switch'
  • Jack Panel Features:
    • Audio In 1/4 in. phone jack: accepts any instrument-level or line-level audio signal from -16 dBm to +4 dbm
    • Audio Out 1/4 in. phone jack: -4 dBm nominal output level
    • Frequency, Rate, LFO Amount, Mix, all of which are stereo 1/4 in. jacks that accept moogerfooger EP1 (or equivalent) expression pedals, or control voltages from 2-circuit or 3-circuit 1/4 in. jacks.
    • Aux Audio In: provides a means of applying an external signal to the ring mdulator, 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: accepts standard 9 volt power adapters (power adapter included)
  • Technical Info:
    • Case: Black panel with hardwood sides — classic analog appearance.
    • Dimensions: 9" x 6" x 2-1/2"
    • Net Weight: 2 lbs.
    • Power Requirements: 105-125 volt, 5W
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$274.00
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Moog Music MF-105 Moogerfooger MuRF Filter Processor
MF-105
Moog Music MF-105 Moogerfooger MuRF Filter Processor

List Price: $439.00
Player Price: $399.00 (Includes FREE GROUND SHIPPING in the US!)

Availability: IN STOCK!


How many times have you wondered, "Why aren't there any NEW effects?" Whether you play guitar, bass, keyboard, make beats, or work in the studio - most effects boxes are based on the same old classics. The Moogerfooger MF-105 MuRF is the antidote to generic, boring effects. MuRF stands for "Multiple Resonance Filter Array". What this means is the MuRF has 8 filters - their levels are controlled by 8 sliders. It looks like a graphic eq, but the sound of the filters are very different: warm and resonant.

What is really unique is the ability to animate the levels of the 8 filters in up to 24 preset patterns. The rate of the patterns can be set by a knob, expression pedal, or plug a footswitch into the tap tempo input to match the rate to the tempo of your song. Rhythmic variations can be created by adjusting the levels of the filters. The Envelope control sets the shape of the modulation, which can be set for percolating techno rhythmic modulation or shimmering timbral morphing. Other controls include Input Drive, Output Level and Wet/Dry Mix.

MuRF shares the musician-oriented features that are common to all Moogerfoogers. All the audio processing is 100% genuine analog, for warm, fat sound quality. Any line level or instrument level audio signal may be processed. Wide-ranging player parameters may be controlled from the panel knobs as well as from expression pedals or CV-compatible analog synthesis instruments. Components are rugged and long lasting, to withstand the rigors of stage and studio. The MuRF is housed in the classic Moogerfooger "double-wedge" enclosure that may be used on a table or on the floor.

Features Include:

  • Dimensions: 9" x 5.5" x 3"
  • Weight: 4 lbs
  • Power Requirements: Power Supply included. 120 Volts, 9 VDC unregulated, 200 mA max current. Positive tip barrel connector
  • Front Panel:
    • Drive Rotary Control: Adjusts the gain of the audio input circuit
    • Mix Rotary Control: Sets the proportion of direct to effected signal that appears at the output
    • Pattern Rotary Switch: Selects one of 12 Animation Patterns in each bank
    • Bank Slide Switch: Selects which bank of Patterns is active
    • RATE Rotary Control: Sets the Rate of the Pattern.
    • Envelope Rotary Control: Sets the envelope shape of the patterns
    • Filters Slider Controls: Controls the gains of the following frequency bands: 200 Hz, 300 Hz, 450 Hz,