DIY Polivoks VCF II

Polivoks VCF kit, lowpass or bandpass, on the original K140UD12

Erica Synths · 10 HP · 3U

Panel · 50.8 × 128.5 mm

Description

Erica Synths' DIY Polivoks VCF II, a retired kit: an emulation of the Russian Polivoks synthesizer's filter, famous for its crazy resonance sweeps and deep, bassy sound, on the original K140UD12 ICs, updated with buffered inputs, an extended CUTOFF range, click-free mode switching and an output stage that keeps the signal's phase.

Key features

  • Lowpass, 12 dB/oct, or bandpass, 6 dB/oct
  • Resonance up to self-oscillation
  • Input level knob
  • Two cutoff CV inputs with their attenuators
  • Inputs and outputs protected against over-voltage
  • +11 mA, -11 mA, 30 mm deep, skiff friendly

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