About the HP VCF 111


  • 1 Volt / Octave cut-off frequency CV)
  • Cut-off modulation input with potentiometer attenuator (FM)
  • Resonance potentiometer control with an external CV resonance input
  • Self-oscillates with high resonance settings.


  • Supply voltage +/-12Vdc
  • Supply current +13mA / -16mA
  • Waveform levels +/-5V
  • Frequency range: 19Hz to 15kHz without any CV applied
  • Main PCB dimensions 43.5x130mm


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