Zzzorb is a four-pole multimode filter plus a linear VCA!

Zzzorb's filter core comprises a cascade of four VCA-based integrators with a feedback path for resonance control. The integrators are mixed together in different combinations to provide five simultaneous filter outputs.



  • Highpass
  • Bandpass
  • Notch
  • Two-pole lowpass
  • Four-pole lowpass
  • Built in VCA
  • Includes power cable and Befaco Knurlies M3 mounting screws.


  • Width: 10HP
  • Depth: 30mm (including power connector)
  • Power: +12V 60mA, -12V 60mA