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Random Source Serge J Haible Eurorack Living Triple VCO Module

Random Source

£732.00
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In stock.

Jürgen Haible's goal was to build a set of VCOs that have the untamed bass range power of early EMS and Moog VCOs, but which are tracking a keyboard voltage over 5 or more octaves nevertheless. I 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 unpleasant side effects for the designers back then, but which are worth a closer analysis when we're designing a musical VCO today.

The Haible LivingVCOs are now available as a complete module (built and calibrated, no DIY!).

Some details of the Haible Living VCOs:

  • Faithful adaption of Jürgen Haible's design
  • Discrete, noisy servo in expo converters (VCS3 feature)
  • Emulation the low frequency behaviour of linear (Hz/V) VCOs and of leak

Product Overview

Jürgen Haible's goal was to build a set of VCOs that have the untamed bass range power of early EMS and Moog VCOs, but which are tracking a keyboard voltage over 5 or more octaves nevertheless. I 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 unpleasant side effects for the designers back then, but which are worth a closer analysis when we're designing a musical VCO today.

The Haible LivingVCOs are now available as a complete module (built and calibrated, no DIY!).