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XAOC Devices


Out of stock
Product number: CV4235

Stereo VC Frequency Shifter

  • +12V 140mA
    -12V 30mA
    +5V 0mA
    Width 10HP
    Depth 43mm


Stereo Frequency Shifter

Koszalin is a full stereo frequency shifter with two inputs and four outputs. If offers simultaneous exponential and linear through-zero control of the amount of frequency shift in 3 carefully scaled ranges (up to +/- 5kHz). Frequency shifting results in linear translation of signal spectrum producing all kinds of atonal sounds. It should not be confused with frequency scaling, also known as pitch shifting. Several stereo feedback topologies are offered with additional density control besides feedback depth, which results in spectacular stereo barberpole effects. Through-zero modulation allows for using Koszalin’s input as an FM operator. Koszalin is a digital module with a DSP behind an analog interface.

Main features:

  • full stereo frequency shifting
  • 3 shift ranges: +/- 50Hz / 500Hz / 5kHz
  • exponential and linear through-zero inputs
  • internal feedback under voltage control

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