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Erica Synths

Black Digital Noise, USED

Available Immediately
Product number: CV5081

Digital Noise Module

  • +12V 93mA
    -12V 25mA
    +5V 0mA
    Width 12HP
    Depth 25mm


The Erica Black Digital Noise is a pathological brainchild. A unique noise module that makes wide range of noise effects; almost pure white noise, Atari console-like one bit noise and other crazy, more-less predictable sounds. At the heart of the module is a programmable logic matrix that includes two linear feedback shift registers that generate polynomial noise effects. A similar noise generation scheme was used in several classical drum machines, and technology comes from techniques used in data scrambling.

● Wide range of noise effects (pure white noise to 1bit & 4bit vintage computer style noises)
● Two polynomial feedback shift registers with CV control to set noise character
● Adjustable noise frequency
● External clock in - can follow frequency of VCO
● Sync feature - polynomial reset
● Can process audio signals (Even voice!)
● Inputs/outputs are protected against over-voltage
● Diode protection on reversed power supply

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