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OKKO FX Holy Grit

Holy Grit


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  • 2022 Best New Boost And Overdrive Pedals Of The Year - Guitar Pedal X
  • Gritty overdrive, low gain fuzz and vintage preamp 
  • Dynamic response 
  • Raw and complex texture 
  • Voiced between germanium warmth and silicon presence 
  • Heavily modded Fuzz Face/Tone Bender 
  • Matched low gain silicon transistors 
  • All metal enclosure 
  • Hand built and wired 
  • Highly versatile controls for gain, saturation, EQ and headroom 
  • Buffer switch 
  • Retro red and black graphics 
  • LED power indicator on and off 
  • True bypass 
  • All analogue 
  • Side mounted jack sockets 


Gritty overdrive, low gain fuzz, vintage preamp, no matter how you call it, the OKKO FX Holy Grit combines the clarity and dynamic response of a great overdrive with the raw and complex texture of a vintage fuzz.  The intuitive controls let you dial in anything from cleanish boost with a little grit to full blown vintage amp on 11 sounds. Plug it into a clean or driven amp, stack with boosters, overdrives or fuzz pedals, the OKKO FX Holy Grit will deliver, for guitar, bass, keys or whatever you want to spice up. 
The OKKO FX Holy Grit circuit is based on the classic Fuzz Face/Tone Bender but heavily tweaked into something else.  OKKO FX have used a set of matched low gain silicon transistors here (parts numbers may differ from one unit to another), voiced between germanium warmth and silicon presence


  • LEVEL: Adjusts output signal 
  • SENSITIVITY: Amount of compression being applied 
  • FUZZ: Well, you know, level of distortion.  Set low for boosting overdriven amps or dirt pedals and work your way up to see how far you can go. 
  • LEVEL: As expected, controls the output volume.  Plenty of volume on tap, even with the Fuzz knob set to minimum. 
  • BASS: A pre gain control so more bass equals more fuzz.  Play with it and you will find the perfect balance between tight/precise and bold/buzzy. 
  • TREBLE: Rolls off highs post gain at variable frequencies. 
  • BIAS TOGGLE: Selects one of three bias settings (individually set for each pedal): 
    • UP: High headroom setting, least amount of fuzz and compression, tight and precise 
    • MIDDLE: The almost too low bias – dirty, buzzy, can get into velcro fuzz territory…fun! 
    • DOWN: The golden middle
    • UP: Buffered mode.  Don’t worry about the placement in your signal chain, just activate the HG’s special buffer and you’re set.  Gives a little extra edge and presence in the mix compared to 
    • DOWN: Unbuffered mode.  If you prefer the classic way, just connect your guitar straight to the HG without the buffer. Slightly darker, more resonant tone, better cleanup with the guitar volume. 

Component Listing and Tech Spec 

  • High quality components throughout 
  • 9V centre negative power 
  • Battery: no 

Enclosure Dimensions 

  • Length: 120 mm / 4.7 in  
  • Width: 65 mm / 2.5 in  
  • Height : 41 mm / 1.6 in 


  • 284 g 

FX Pedal Planet Limited and FX Pedal Planet Online Store are proud to be UK dealers for OKKO FX effects pedals.  If we do not have the OKKO FX effects pedal required, please message us via the contacts page and we will do our best to get the product that you want at the very best price and service. 

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