Moog Music MF-108S • Cluster Flux
Moog Music MF-108S • Cluster Flux

Moog Music MF-108S • Cluster Flux

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A flexible processor that can modulate between chorus, flanging, and vibrato

About the MF-108S Cluster Flux

The MF-108S Cluster Flux is a re-invention of Moog Music’s classic MF-108 analog effects pedal.

The MF-108 Cluster Flux, originally introduced in 2011, contained several complete modular synth functions: a dual-range Bucket Brigade Device (BBD) delay line designed for very short delay times and a multi-waveform Low Frequency Oscillator (LFO) capable of modulating the delay line for a variety of effects including Chorus, Flanging, and Vibrato. A direct descendant of the original Moog modular synthesizers, the MF-108 was adapted to process, modulate, and play with inputs ranging from guitar, voice, and synthesizer to any imaginable audio source.

The MF-108 Cluster Flux has been meticulously recreated as the MF-108S, capturing not only the subtle swirling and intense flanging sounds of the original, but also the organic way in which the parameters interact to create a musical playing experience.

With CV interconnectivity, stereo functionality, an extended feature set, the ability to run multiple instances, and presets, the MF-108S plug-in further tailors the classic Moogerfooger functionality to the modern digital creator.

MF-108S Expands on Classic Moogerfooger Pedal

The MF-108S also introduces unique features not seen on the hardware instrument, including:

TYPE switches between normal stereo ECHO with the same delay time in each channel or a PING-PONG bouncing stereo image delay.

TONE affects the EQ, filtering, and grittiness of the delayed audio signal with Legacy, Analog, and Modern settings.

TIMING can preserve tight digital timing or add loose timing instabilities.

OUT OF PHASE allows for numerous stereo routings, splitting DRY and WET signals in the stereo field and creating phase-inverted outputs for deeper stereo imaging.

The MF-108S offers CV Inputs for Delay Time, Feedback, LFO Rate, LFO Amount, and Mix, as well as the capability to attenuate or soften these modulations.


  • For macOS 10.13 Intel or Apple Silicon, Windows 10 64-bit Intel systems or newer
  • Supported plug-in formats include VST3, AudioUnits, and Pro Tools AAX