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Circuit Abbey

Impulse Drive



A wave multiplying signal processing module which produces thick CV-able harmonic fields.The Impulse Drive crossfades any two input sources and drives three comparator engines that are then cross-modulated to create unheard of sonic palettes. Crossfading, along with each of the comparator engines are under full CV control for precise timbre navigation. Feed combinations of waves, control signals, or experimental sources such as drum machines into the Impulse Drive to generate swirling streams of alien landscapes! The Impulse Drive has 3 sections of harmonic generation with CV control. Each section feeds into the next using Digital Ring Mod technology and produces increasingly complex harmonic fields. The Impulse Drive can be run at LFO rates to produce gates at the outputs - allows for generating CV-able sequences.


  • 2 x Injector (main) inputs
  • CV control over Injector Select
  • CV control over each grid
  • 3 Sections of harmonic generation
  • Monitor out
  • 3 Exhaust ports
  • Injector Select
  • Injector Level
  • Level and Bias for each of the 3 grids

Physical Specifications

  • Format: Eurorack
  • Width: 12HP
  • Depth: 33mm
  • Power: +/-12V @ 50mA
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