2144 Low-Pass Filter (LPF)

Four-Pole 24dB/Octave LPF with SSI2144 Architecture

The 2144 Low-Pass Filter (LPF) features the SSI2144 IC, the official and improved reissue of the legendary SSM2044 filter IC used in many classic synthesizers.

With its unmistakably silky-smooth top-end and liquid-like mid-range; it is widely regarded as being one of the best sounding filters ever made.

A wide range of modulation possibilities also adds versatility.


  • Four-pole 24dB/octave low-pass filter.
  • Manually controllable resonance and cutoff frequency.
  • Frequency range greater than audio range (> 20Hz to 20kHz).
  • Capable of self-oscillation i.e. producing a sine wave output.
  • Thermally compensated 1V/octave input.
  • Numerous modulation possibilities including FM and resonance CV inputs (0V to 10V input range).
  • Ergonomic design.
  • Hand-built and tested in the UK.


  • 30 mA +12V
  • 30 mA -12V
  • 0 mA 5V
  • 40 mm deep

This Module is currently available.

$137 Price in € submitted Oct 19th 2020, 20:43 by Wavefonix | last Change Apr 12th, 01:41 by Wavefonix
Specs are approved by the manufacturer