In stock

Beast's Chalkboard Octave Switch
ALM Busy Circuits Beast's Chalkboard
‘Beast’s Chalkboard’ is 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.
Beast's Chalkboard Features
- Dual channel voltage adder and source with 1V stepped range of -2 to +2 volts (i.e 5 Octaves)
- Two Buffered outputs and through output per channel
- Top input normalized to bottom. Allows 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
Product Details
- Eurorack Module
- 6 HP Width
- 22mm Depth (including power header)
- Supply: +/-12V (Reverse voltage & polyfuse protection)
- Current Draw: ~30ma
- Offset Error: +/- 10mV
Demo Videos






The information below is required for social login
Sign In
Create New Account