MATRIXSYNTH: Smoke Panel CGS01 Sub-Oscillator / Harmonic Sequencer by CatGirl Synth


Wednesday, December 04, 2013

Smoke Panel CGS01 Sub-Oscillator / Harmonic Sequencer by CatGirl Synth

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"This module is based off the CGS01 pcb by Ken Stone of CatGirl Synth. You can find it by navigating to http://www.cgs.synth.net/ under the 'modules' category, it's labelled with a CGS01.

This module serves a number of interesting purposes. Firstly, it's a complex sub-oscillator. It takes an input signal and derives pulses sub-octaves below the original. On my panel is divide by 1,2,4, & 8. It has two channels of sub-octaves, an A and a B. The knobs affect the volume level of each division.

What's more interesting, though, is to use the module as a sequencer. Its operation is very similar to the CMOS melody generators. For instance, you can take an LFO input and by adjusting the volumes of each division, get a stepped output useful for controlling a pitch CV.

Additionally, there is a section that multiplies the divisions. Thereby slightly off-setting the divisions and creating more complex tones in the case of an audio oscillator or (basically) changing the phase of the pulses to create different melodies.

There are a ton of different options for this module. You can find some demo videos on youtube by searching CGS01. I have intended to make a demo video for a while now, but am just terrible with video. If you have any questions at all, please contact me and I'll get back to you ASAP.

With all of that description behind us - the panel is my design and produced by Pro-Modular. It's a bit thicker than a standard aluminum panel. It is semi-transparent and a color called 'smoke'."


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