Fairfield Circuitry Long Life Filter

£299.00

The Long Life is a versatile parametric EQ and filter from Fairfield, with tilt and CV controls. Wide range of applications.

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Description

Fairfield Circuitry Long Life

The Fairfield Circuitry Long Life is a parametric equaliser and filter , with tilt and CV controls.

A state-variable filter with wide range and application. Versatile. Combining tilt and notch and 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

Uses

  • 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

Long Life Controls

  • FREQ: Corner frequency of filter. Summed with CV F input and expression input.
    Frequency range without external control 8HZ 6kHZ
  • Q: Quality factor or resonance control. Before noon for softer equalization.
    Aggressive past noon.Self oscillates past 3 o’clock. Summed with CV Q input
  • GAIN: Negative and positive gain of bandpass filter section allows for notch or
    boost of selected frequency (FREQ).
  • TILT: Frequency response can be tilted around the center frequency. At one extreme,
    a low-pass response; at the other, high-pass. At noon, the response is flat.
    In between these points, various degrees of flat. In between these points,
    various degrees of shelving.
  • VOL: Unity gain is around 2 o’clock for a flat frequency response.

CONNECTIONS

  • IN: 1/4″ 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.

Requires 9VDC center-negative tip supply that can deliver at least 150mA

Caution should be exercised when pushing high-Q settings. Strong oscillations will occur.

It is normal to get some hiss, even slight clicks, when the corner frequency is past 2 kHz

PRINCIPLE OF OPERATION

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.

It is 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

Additional information

Weight .5 kg
Dimensions 12 × 6 × 5 cm
Analogue or Digital

Analogue

Colour

Silver

Current

150 mA

MIDI

No

MPN

Long Life

Pedal Type

EQ, Filter

Power Connection Type

Centre Negative

Silicon or Germanium

Silicon

Size

Standard Footprint

Voltage

9V

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