£159.00 (£132.50 ex VAT)

Dual Fast Low Pass Gate, featuring: Sidechain Input for Compression/Expansion/Ducking, Integrated Mixer, Input Control with Soft Saturation. Derived from O Coast Synthesizer

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DynaMix is a fast two-channel Low Pass Gate, dynamics manager and mixer, the core of which is derived from our 0-COAST synthesizer.

The LEVEL parameter provides simultaneous voltage control over the Amplitude and Frequency content of audio signals, operating as a VCF/A.

The DYNMC parameter accepts audio signals or control voltages and converts them into a signal that may increase or decrease the LEVEL parameter thus allowing for side-chaining and ducking.

The summing section is complete with an Auxiliary Input (AUX) allowing for the chaining of multiple MIX units (modDemix, Optomix and RxMx modules) to create large, non-centralized mixes. 

The DYNAMIX is functionally similar to the Optomix LPG: a fundamental element in the sound of West Coast Synthesis, however, rather than using the Vactrol component that gives the Optomix its characteristic “slow” sound, the DYNAMIX circuit utilizes transistors in a topology that has more in common with East Coast instruments. This combination of West Coast technique and East Coast circuitry is “No-Coast” synthesis at its best, allowing the Low Pass Gate to be used in tandem with an extremely important East-Coast synthesis circuit: the ADSR, a 4-stage Envelope generator we call CONTOUR.


  • analog Low Pass Gate with fast response allows for AM synthesis and use with ADSR
  • Input Signal Attenuator with soft overload at maximum settings
  • DYNMC CV IN can act as audio side-chain input
  • LEDs indicate LEVEL activity
  • Voltage controlled mixer with AUX IN allows for chaining of multiple units to create larger mixes
  • Pairs well with CONTOUR, Optomix, modDemix


Width: 10hp 

Max Depth: 24mm 

Power: 55mA @ +12V / 45mA @ -12V