Fairfield Circuitry Long Life ...

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Fairfield Circuitry Long Life Parametric EQ

Was £299.00 Save £50.00


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The Fairfield Circuitry Long Life Parametric EQ is a state-variable filter with wide range and application. Versatile. Combining tilt and notch/boost equalization around a 2nd-order (-12dB/octave) state-variable core.

Very much a one-band parametric equalizer with gritty extras:

  • Shelving filter, from low-pass to high-pass
  • CV inputs for resonance (Q) and frequency (F)
  • V/octave scaling synthesizer interface
  • Fully variable Q goes well into tasty sweet self-oscillations
  • Soft clip zener zesty mordant
  • Expression pedal input controls center frequency


  • Flexible tone stack allowing for careful tuning of desired response
  • Stacking before/after other pedals for dramatic emphasis/deemphasis
  • With an expression pedal for wah-type debaucherie
  • Standalone channel strip EQ for outboard processing
  • Integrated with a modular synthesizer mindset, can act as a VCF and a VCO
  • With external CV control such as sequencers and keyboards


Controls Freq, Q, Gain, Tilt, Vol
Connections In: `/4" Instrument or line level input
Out: 1/4" output
EXP: TRS expression pedal input or TS alternate CV input to control center frequency
Q and F: 1/8" control voltage (CV) inputs for Q and F with v/octave scaling on frequency
9V 2.1mm 9VDC center-negative tip, at least 150mA
Dimensions 4.7" x 3.8" x 1.9"