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Make NoiseOptomix Rev 2 Low Pass Gate


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Make Noise Optomix

The Optomix from Make Noise is a dual Low Pass Gate and Mixer. A low pass gate is a circuit which utilizes both amplitude modulation and filtering. It uses a vactrol component, which uses lights and optical sensors within the circuit, providing a very characteristic response shape. This is most famously demonstrated with the "Buchla Bongo" effect. An interesting addition to the newest version of the Optomix allows the volume curve to be used directly as CV, providing two snappy envelopes if the two audio inputs are not used. Finally, there is an Auxiliary input, which is summed to the mixer, giving three mix channels.

Optomix Features

  • Dual Channel Low Pass Gate
  • DAMP parameter programs how low pass gate responds to falling control transient, continuously variable from long, slow and ringing to short, fast and muted
  • STRIKE INput allows use of Gate signal to trigger Low Pass Gate circuit, "plucking" or "striking" the vactrol
  • DAMP and STRIKE parameters combine to allow for easy programming of percussive sounds (sharp Attack w/ Voltage Controlled Decay)
  • Summing stage with an AUXiliary IN allows for chaining of multiple units creating larger mixes
  • Direct coupled, process audio or control signals
  • Utilizes 4 vactrols
  • Pairs well with modDemix modDemix and MATHS
  • Side chain compression
  • Eurorack Module
  • 8 HP Width
  • 24mm Depth
  • Current Draw: 25mA @ +12V, 25mA @ -12V
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Make Noise Optomix Rev 2 Low Pass Gate Reviews