Beast’s Chalkboard


Out of stock

SKU: ALM_Beast’s Chalk Maker: Types: ,


The ‘Beast’s Chalkboard’ is a dual channel stepped voltage source and adder for your eurorack modular synthesizer system. It primarily is intended as a dual octave switcher for VCO’s but has many other uses including sequence transposition, FM ratio creation, buffered CV distribution and VCO calibration. Features

  • Dual channel fixed voltage adder and source with 1V stepped range of -2 to +2 volts (i.e 5 Octaves)
  • Two Buffered outputs and a through output per channel
  • Top input normalized to bottom. Allows single top input to be varied across both channel outputs
  • Bottom octave switcher can be chained to top extending range to 9 octaves.
  • Also functions as 1->6 or dual 1->3 buffered mult.
  • Skiff friendly
  • Designed and built in England.

Technical Specifications

  • Supply: +/-12V
  • Current Draw: ~30ma
  • Size: 6HP
  • Depth: 22mm (including power header)
  • Offset error +/- 10mV

Manual – Download

Beast’s Chalkboard – Basics