MATRIXSYNTH: Simmons SDS 400


Sunday, March 30, 2008

Simmons SDS 400



images via this auction
"The unit uses CEM (Curtis Electro-Music) IC’s from the mid-80’s. These chips contain VCO’s, VCF’s, etc, that synthesize sounds and alter them with highly controllable subtractive sythesis techniques.

Trigger sensitivity is high and works with several different brands the unit was tested with. Pads, peizo, some mics, etc. will work. The modules are called “toms” and it is possible to simulate tom drums with the unit, but that would be a sad use of the unit. It’s beauty is the ability to add highly distinctive envelope control over the filter, an odd ring-modulation-like device called “second skin”, and perhaps most interestingly, the “Run Generator” modulation, which can control pitch and other factors in a number of novel ways. You can think of it as a quasi-controllable arpegiattor, in that it can cascade up/down, and other permutations, all with an unusual amount of control."

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