Fuzzrocious Grey Stache Fuzz – Oscillation Mod


The Fuzzrocious Grey Stache

Muff based fuzz pedal with added oscillation modification (this is a factory option) – in fact base on two muff versions, the GGG and Civil War

Requires 9V DC centre negative power supply

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Fuzzrocious Grey Stache – Oscillation Mod

The Fuzzrocious Grey Stache is based upon the GGG tuned and Civil War versions of a muff fuzz, creating one versatile guitar AND bass-friendly monster!

The tone stack features the ability to keep the unit at “stock” (scooped mids) or boost the mids (important for bassists to punch through in the mix). We offer many mods to allow the user to get everything s/he wants out of a muff.

All Fuzzrocious Pedals are made by hand and may differ slightly from the image shown

This version includes the oscillator modification which gives extra flexibility over the standard Grey Stache

You can see the official demo here


  • VOLUME – makes the output of the circuit louder or quieter.
  • TONE – moves from bass to treble when turned clockwise.
  • MIDS – moves from a total cut of sound to more pronounced mids when turned clockwise. Works in conjunction w/ TONE.
  • SUSTAIN – moves from a little to a lot of sustain/fuzz when turned clockwise.


DIODE MOD – via a toggle, the user can switch between three (3) diode clipping choices to find the type of clipping s/he wants (clipping is the signal distorting). We offer the choice of two (2) sets of the following diodes to accompany the “no diodes” setting (middle toggle position) – 1n914 silicon, LED, 1n4001 silicon, and germanium.

OSCILLATION MOD – via a momentary or latching footswitch, one can feed the signal back upon itself for oscillation/feedback/noise.

TONE BYPASS MOD – via a latching footswitch, one can bypass the tone and mids pots for a more open, less compressed sound.

KILLSWITCH MOD – via a momentary footswitch, one can mute the sound passing through the pedal. Hit it rhythmically to a tempo or sporadically. Get weird with it.

2nd SUSTAIN MOD – via a latching footswitch, one can switch back and forth between two (2) sustain pots. Think of it like having two sustain presets and using a footswitch to move back and forth between the two. Please note that 2nd Sustain is not stacking.

This pedal has the Oscillation mod 

Can be used with both guitar and bass

Requires 9V DC centre negative power supply

Additional information

Weight .5 kg
Dimensions 11.8 × 9.4 × 5.4 cm
Analogue or Digital



Yellow, Grey


Not Stated



Pedal Type


Power Connection Type

Centre Negative

Silicon or Germanium





Grey Stache Oscillation Mod


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