MATRIXSYNTH: Shasta Cults - Buchla Touché Waveshapes

Tuesday, April 10, 2018

Shasta Cults - Buchla Touché Waveshapes

Published on Apr 8, 2018 Shasta Cults

This is the first video ever featuring the graphic output of the Buchla Touché waveshapes, from currently the ONLY Buchla Touché with the ability to display them. This is as rare as it gets in the synth world.

"The Touché uses non linear wave shaping for timbre generation, same as the 360, 400, 700 and 259e (a distortion based wave shaping technique).  It has 9 native  wave shape tables (6 user programmable). A sine wave is generated digitally and then sent through the selected table. Timbre is effected by the amplitude of the sine wave, so it accents high and low harmonics more, based on sine wave level.  Timbre modulation was Don Buchla's wave shape technique. This particular Touché is a development model that will display wave shapes, as well as allow you can program your own…  if you can figure it out." See this page for some technical info on Waveshaping from

The following was composed on the Touché using sine waves.

You can find previous posts featuring the rare Buchla Touché here.

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