Random Source SERGE WAVE MULTIPLIERS (VCM)
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Random Source SERGE WAVE MULTIPLIERS (VCM)

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SERGE WAVE MULTIPLIERS (VCM), Module d'effets pour synthé modulaire de la marque Random Source.

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Fiche technique Random Source SERGE WAVE MULTIPLIERS (VCM)

  • Fabricant : Random Source
  • Modèle : SERGE WAVE MULTIPLIERS (VCM)
  • Catégorie : Modules d'effets pour synthés modulaires
  • Fiche créée le : 11/12/2017

The legendary Serge Wave Multipliers (VCM) are designed to dynamically add new harmonically-related overtones to an input waveform. Accroding to the 1982 catalogue, they “alter the timbre in exciting new ways, producing interesting alternative forms of signal processing which are unique in the Serge Modular Music System. Since there are three entirely separate and different types of Wave Multipliers in this module, an enormously varied palette of new effects can be synthesized.”

The top section offers two different modes, selected by a switch. In the “HI” position, the module functions to “square-up” an incoming signal, with a rounded flattening of the signal peaks, somewhat similar to overdriving a tube amplifier (with voltage control!). In “LO” mode, the module is a linear gain controlled VCA. This is useful for various functions such as amplitude modulation and for gating signals into the other sections.

The middle section generates a sweep of the odd harmonics (1, 3, 5, 7, 9, 11 and 13th) when a sine wave is applied to its input and the FOLD knob is turned up or a control voltage is swept from low to high. This effect is similar to overblowing a wind pipe closed at one end. A second input is included to allow two signals to be mixed before processing. This module can be used to explore timbral areas beyond the range of ring modulation.

The bottom Wave Multiplier performs non-linear wavehaping known as full-wave rectification, but with sophisticated level-compensating conditioning as well. The circuit uses three full-wave rectifier sections linked in a very refined controllable format. Sweeping the VC input over its range will produce a smooth timbral transition using the even harmonics (second, fourth, and eighth). Many other partials are present in this basic sound, however, and the sonorities are very rich and varied. The white output is a “squared up” version of the black one, resembling an harmonically enhanced pulse width modulation.

 

Some details of the Random*Source Serge VCM module :

  • Eurorack format (3U), 18 hp
  • Power consumption: 45mA @ +12V, 40mA @ -12V
  • Module depth: < 35mm (1.5")

 

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Images Random Source SERGE WAVE MULTIPLIERS (VCM)

  • Random Source SERGE WAVE MULTIPLIERS (VCM)
  • Random Source SERGE WAVE MULTIPLIERS (VCM)
  • Random Source SERGE WAVE MULTIPLIERS (VCM)
  • Random Source SERGE WAVE MULTIPLIERS (VCM)

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Autres dénominations : serge wave multipliers vcm, sergewavemultipliersvcm

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