DoepferA-111-4 Quad Precision VCO

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Doepfer A-111-4

Doepfer's Quad Precision VCO takes the CEM3340-based triangle core VCO found in the A-111-3, multiplies it by four, and adds a powerful master modulation and mix output section. This configuration makes the A-111-4 ideal for polyphonic patches, fat bass sounds and deep FM tones alike!

A-111-4 Features

  • 1v/Octave CV input
  • Attenuatable Modulation CV input with linear and exponential settings
  • Triangle, Saw, and Square waveform outputs
  • 10-octave range per VCO
  • Separate power supply per VCO
  • Master 1v/Octave and Modulation CV input
  • Master mix waveform outputs
  • Eurorack module
  • Width: 18hp
  • Depth:
    • Eurorack module
    • Width: 18hp
    • Depth: 40 mm
    • 120mA @ +12V
    • 100mA @ -12
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Doepfer A-111-4 Quad Precision VCO Reviews