Haible Living VCO PCB/Panel

Jurgen Haible described his Living VCO: "...the untamed bass range power of early EMS and Moog VCOs, but which are tracking a keyboard voltage over 5 or more octaves"


This is a PCB & Panel set in the Eurorack format. This includes the panel, the panel component PCB, as well as the main PCB which has SMT bypass caps and BCM847DS matched transistors pre-populated.


Please pay attention to the orientation of the power connectors: +V is at the top, -V at the bottom / edge of the board. The board marking is incorrect / misleading for euro power connectors. Make sure you (double) check before powering up the board!!


Availability: In stock

$134.99

Details

Details

Jürgen Haible designed his triple VCO set known as the “Living VCOs” with the goal to combine the untamed bass range power of early EMS and Moog VCOs with modern features and decent tracking. He found that “untamed” Beating in the bass range and controlled beating in higher octaves is not possible with standard exponential 1V/Oct oscillators. A good part of that special sound of early Moog and EMS oscillators is not because of any “randomness”, “unstability”, “instability” or “noisyness”, as so often is said. A good deal of their behavior is because of that, but it is not the whole story. There are also some very deterministic factors in these old circuits which have been implemented in form of three “linear detune” potentiometers on the Living VCOs.

The R*S edition of the Living VCOs comprises a number of additions and modifications compared to the original Haible board:

  • TRIANGLE wave output for each VCO - thanks to Ray Wilson fromMusic From Outer Space.
  • SINE wave output for each VCO - thanks to synth legend Thomas Henry.
  • Amplifier section for each VCO.
  • SYNC IN for each VCO.
  • Support for THAT300 supermatched transistor arrays (top side) or BCM847DS matched transistors (bottom side) instead of LM3046.*
  • Haible VCA/Distortion/Overdrive module on the driver board.
  • Optional audio mixer on the driver board.
  • pcb size: 8" x 4.1"(!)

Due to the added features, part count and density are very high on this board - this is not a project suitable for beginners. Any information given here is preliminary and subject to change - please compare against Jürgen's original documentation and do not simply rely on the files here.

Specs & Downloads

Specs & Downloads

manufacturer RandomSource
HP 42
Depth No
+12V No
-12V No
+5V No
Additional Resources Build Guide

Reviews

Customer Reviews (1)

Just great.Review by Mark
This is a fun build and the results are spectacular. When I run it through my ASys EMS Synthi Filter and modulate it with the Trapezoid Generator, it sounds like the real deal. Just gorgeous. (Posted on 7/30/2016)

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