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HexinverterVCNO Noise Oscillator


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Hexinverter VCNO

The Hexinverter VCNO is a voltage controlled noise source with three distinct noise outputs (all of which can be used simultaneously) and modulation control over its frequency range. There’s also a DC coupled gate output so randomized gates can be synced with an external clock. Patching a signal into the external clock input will allow one to achieve synchronized random gates! This makes the module especially suitable for drum-oriented patches.

VCNO Features

  • LFSR (Linear Feedback Shift Register) algorithm implemented using discrete analog parts and logic ICs
  • PITCH generator capable of frequencies up to half a megahertz
  • With the pitch knob turned fully clockwise this will output pure white noise
  • As the pitch is turned down, the noise evolves into crunchy noise
  • GATE is a DC-coupled output
  • SCREECH, SIZZLE AND TEAR have their own unique sonic characteristics
  • All outputs work simultaneously and are simultaneously affected by the pitch knob or CV
  • The frequency of VCNO can be modulated via CV
  • Bipolar attenuverter for CV
  • A switch on the back lets you select either logarithmic or linear response at the CV input jack
  • Eurorack Module
  • Width: 6HP
  • Depth: 30mm
  • Current Draw: 49mA@+12V; 39mA@-12V
SignalRelated ArticlesLearning Synthesis: NoiseWhat is Noise and Why Do We Need It?
Product Demo Videos
54HP Episode 6: Bass Monster
“Bass Monster” is the sixth 54HP case and it is built to be a traditional subtractive synthesizer voice with a few extra tricks. Instead of an analog noise generator the VCNO can generate multiple noise sounds to be added with the oscillators or used for percussion sounds. The mixer, filter and extra VCAs all have boost and saturation effects for adding dirt and distortion, or boosting line to modular levels the way the Volca Beats is boosted in the video. The multiple envelopes and VCAs can also be used to generate drum sounds or do amplitude modulation or analog FM. To finish the Case off is the DPLR which is an interesting dual delay with an adjustable filter and crosstalk for many different delay sounds.

Module List:
Hexinverter VCNO
Intellijel Dixie II+ x2
Manhattan Analog DTM
Frequency Central CEMvelope x2
Dave Smith Curtis Filter
XAOC Tallin

Available here:
Hexinverter VCNO Noise Oscillator Reviews