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Moog Moogerfooger MF-108M Cluster Flux

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Moog MF-108M

The MF-108M is far from a traditional Chorus/Flanger device. The pedal contains six waveshapes that can lead users into unfathomable sonic territory. The unit features Tap Tempo and MIDI control, for maximum synchronization possibilities depending on the user’s taste. 

Additionally, the unit gives users access to a broad range of tones by providing both positive and negative feedback that can be used to achieve self-oscillation, and a capable mixing section that can be used to create the perfect blend of processed and unprocessed signals.

MF-108M Features

  • The ability to sync LFO modulation effects to MIDI Clock or Tap Tempo
  • The ability to control Delay Time w/ MIDI Notes for “tuned” flanger comb-filter effects
  • CV control of Delay Time, LFO Rate, Feedback, LFO Amount, Mix
  • Send/Return Insert for external processing of BBD feedback loop
  • A second output configurable via DIP switches for different types of stereo outputs
  • A Spillover mode allows for creation of interesting drones and other feedback effects
  • Control of Delay Time, Mix and Feedback in Chorus setting for extreme chorus effects
  • Bi-polar feedback design creates Flanging effects w/ even or odd harmonic emphasis
  • Wide-ranging LFO Rate for very slow to audio rate modulation
  • Input/Output Level controls for use w/ wide range of devices


  • TIME: Adjust delay time 0.6mS to 10mS in Flange mode and 5mS to 50mS in Chorus mode
  • RANGE: Select between Flanger and Chorus mode 
  • FEEDBACK: Continuous control from no feedback to infinite feedback. Bi-Polar control allows the feedback to highlight even or odd harmonics
  • DRIVE: Allows between -7dB and +28dB of gain or attenuation of the input signal for optimum signal path, level matching and distortion sounds
  • OUTPUT: Allows gain and attenuation of output signal for compatibility with a widerange of input devices
  • MIX: Cross fader control to vary the amount of wet or dry signal heard on output
  • LFO: Six position rotary switch to select the LFO wave shape for delay time modulation. Select between Sine, Triangle, Square, Ramp, Saw and Random stepped modulation 
  • LFO RATE: Adjust the LFO rate from the sub audio to audio rates. Control from 0.05 Hz to 50 Hz from the front panel (more from the CV)
  • LFO AMOUNT: Controls the amount of LFO modulation of the delay time
  • RATE: A Bi-Color LED to display the rate and shape of the LFO wave as well as the source of control
  • MIDI: A Bi-Color LED to display the presence of MIDI control
  • LEVEL: A Bi-Color LED to display the level of the input signal post drive control for optimum processing level
  • BYPASS: A Bi-Color LED to indicate if the effect is engaged or not
  • TAP TEMPO: A rugged smooth-acting stomp switch for setting LFO rate
  • BYPASS SWITCH: A rugged smooth-acting stomp switch bypassing the unit with a buffered input
  • AUDIO IN: 1/4” phone jack - accepts any instrument-level to line-level audio signals
  • LEFT / MONO AUDIO OUT: 1/4” phone jack 1/4” phone jack with adjustable output level for instrument or line level output
  • RIGHT / Stereo OUT: A Second output dip switch configurable for either Stereo out (two types), Delay only out, or dual mono out
  • FEEDBACK, TIME, LFO RATE, MIX, LFO AMOUNT: all of which are stereo 1/4” jacks that accept Moogerfooger EP-2 (or equivalent) expression pedals, or 0-5V control voltages from either two-circuit or three-circuit 1/4” jacks
  • FEEDBACK INSERT: A 1/4” TRS Insert jack for inserting effects in the feedback loop of the delay chain. Line level output
  • MIDI IN: A 5 Pin DIN input for controlling the MF-108 via MIDI Control
  • +9V POWER INPUT JACK - accepts standard 9 volt center positive barrel power adaptor (power adaptor included). 300mA minimum required
  • CASE: Rugged steel case with black powder coat panel, white silk screen and hardwood sides for a classic analog appearance
  • DIMENSIONS: 9” x 6” x 2-1/2”
  • NET WEIGHT: 4 lbs
  • SHIPPING WEIGHT: 6 lbs, including power adaptor and instruction manual
  • POWER REQUIREMENTS: 105-125 volt, 3W. 220 volt power adaptor available on special order
Product Demo Videos
Moog Realistic Concertmate MG-1 With Effect Pedals
This video shows the Moog Realistic Concertmate MG-1 with four effects pedals. The pedals used are the Moog Moogerfooger MF-108M Cluster Flux analog flanger/chorus, the Death By Audio Evil Filter fuzz/multimode filter, Red Panda Particle granular delay and Caroline Météore lo-fi reverb.
Moog Moogerfooger MF-108M Cluster Flux Reviews
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