A-120 VCF 1 Low Pass Filter

24 dB low pass filter

Doepfer · 8 HP · 3U

Panel · 40.6 × 128.5 mm

Description

Doepfer's VCF 1: a transistor ladder low pass filter, 24 dB per octave, after the classic Moog filter.

Key features

  • Transistor ladder low pass filter, -24 dB/octave
  • Frq. sets the cut-off frequency, from fully shut at 0 to fully open at 10
  • Res. goes up to self-oscillation, where the filter plays as a sine oscillator
  • Three CV inputs summed on the cut-off: CV1 at 1 V/octave, CV2 and CV3 through their attenuators
  • Lev. attenuates the audio input, to drive the filter clean or into distortion
  • Standard (aluminium) or Vintage Edition (black) panel

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