Instruments for Sonic Expression


4 Voice Heuristic Rhythm Generator
440,00 €


Prices shown exclude VAT, outside EU all orders are VAT free.


Here's our 4 Voice Heuristic Rhythm Generator and MIDI In/Out Expansion.

This module is a powerfull rhythm generation machine! 
Features 4 voices of gate outputs (including inverted outputs for logic NOT sequences) where each voice can have independent lengths, all configurable with direct knobs anc cv inputs.
Perfect for precise polyrhythmic patterns and all sorts of non-linear sequencing.

The module works by 6 different rhythm generation "algorithms / principles":
Euclidean (equal distribution)
Golomb Rulers (inequal distribution)
Probabilistic (predictable distribution)
Game Of Life (organic progression)
Footwork'n (inducted error progression)
Pong (voltage controlled Pong game)

Plus a 4 channel Gate Sequencer Mode with up to 32 steps and 16 storable presets.

More detailed info on each of these Modes and their specific controls can be seen on the screen by pressing the Info push button. So you'll never forget how it works.


Add ADDAC402B Expansion for full I/O Midi control plus access to a powerful midi interface, with:
Midi Sync
5 cv to midi channels (notes and/or cc)
4 midi to gate channels
All panel controls (knobs, switches and push buttons) as cc controls. 

All fully configurable with a midi learn feature for easier configuration.

Ships in standard red panel, custom colors available per request.



Format: Eurorack
Width: 20 HP
Depth: 5.5 cm
CV inputs: 0 to +10v
Max current: 150mA
Bus Board Cable: 8 × 2 IDC (Doepfer style) connector


HD videos, fullscreen highly recommended.

Firmware Update

The pdf below features all info regarding upgrading the ADDAC402 Module, including necessary hardware, physical connections and download links.

ADDAC402 Firmware Update Guide:

Last Firmware Update:
Version: J_2, May 12th, 2016
Download Links:
USB Serial adapter driver (install the correct version for your system):
XLoader Software: 
USB Serial adapter detailed driver installation: