Fairfield Circuitry Randy's Revenge Ring Modulator | Palen Music Guitar Effects $299.00 Fairfield Circuitry

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Fairfield Circuitry Randy's Revenge Ring Modulator

Item ID: 102000FC

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Fairfield Circuitry Randy's Revenge Ring Modulator

At its finest, in a considerably small package, powered by your typical 9V power supply, all analogue, hand stamped, pure sine wave oscillator, low-pass filtered with a touch of class and apparently musical. These are the requirements of warp speed space travel; a regular occurrence when dealing with Randy's hardware. The lower oscillator frequencies create rich trem/vibe effects, excruciatingly slow or chopped up rhythmic flavours. As the frequency goes up, thick bells, tuned intervals, low-fidelity synth-like effects are only the beginning. Experimenting with the low-pass filter cutoff frequency and the dry/wet mix will yield tones as strange or subtle as desired. Featuring expanded control voltage (CV) capabilities that allow for interactions beyond the simple stacking of effects, Randy can be used to control and be controlled by other CV capable devices. The stereo CV is switch-programmable for use with an expression pedal or as a 2-channel CV port. Both the oscillator and low-pass filter frequency are voltage-controllable. The internal oscillator is also available as an output, turning Randy into a stand-alone voltage-controlled oscillator (VCO).


  • CV Interface
  • Output Volume
  • Dry/wet signal mix
  • Low-pass filter frequency
  • Oscillator Frequency
  • Hi/low Frequency Range
  • Square/sine waveshape
  • 9 VDC
  • Instrument Level Input
  • Low Impedance Output 


  • Input Impedance: 1M Ohms
  • Output Imedance: 1k Ohms
  • Power Supply: 9 to 9.6 VDC
  • Current Draw: 85 mA
  • Bypass: True Bypass
  • Input/output: 1/4" mono input/output jacks
  • Jack: 1/4" Stereo Jack
  • DC Connector: 2.1mm DC Connector
  • Pedal Type: Ring Modulator
  • Manufacturer Part Number: 102000FC

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