MATRIXSYNTH: The Beast Synthesizer from Yorick Tech

Friday, September 25, 2020

The Beast Synthesizer from Yorick Tech

Steve Hunt

"I own Yorick Tech Ltd, maker of the Low Frequency Expander (LFE) for OB-6 and Prophet 6. [see here] This is a prototype / test bed for a mono synth project which will be a cut-down version of this, using the best bits. Possible poly version too....

Mostly my own design, including clones or designs inspired by various vintage synths, including 3 Oakley filters.

2 x CEM 3340 VCOs, one with supersaw and one with double-wavefolder. Each has its own PWM LFO and pitch ADSR and sub oscillator.

LFO3 is from the LFE and contains a hidden LFO, sampling the main LFO but with clever synchronisation so that patterns repeat in a musical way.

Ring modulator.

6 ADSRs (2 miniMoog clones, 2 digital and 2 CEM) and 7 LFOs, many VCAs including 2 mixers and stereo panning for each mixer.

4 filters:
Oberheim SEM doubled to give 12 or 24dB slope.
Roland SH-1 based filter, again with 12 or 24dB.
904a Moog Modular clone
miniKorg Traveller-based design

Filters can be set in series, parallel and are fed from the 2 mixers as 2 pairs.

Spring reverb.

4x5 mod matrix.

Midi or CV in"

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