MATRIXSYNTH: Retroaktiv PG-800 Mini - Random Tone Generator & Scratch Patch Buttons

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Tuesday, August 29, 2017

Retroaktiv PG-800 Mini - Random Tone Generator & Scratch Patch Buttons


Published on Aug 29, 2017 New England Analog Archives

See this post for one built into the JX-10.

"The PG-800 Mini is a miniature knob controller that mounts inside of the Roland JX-8P or Super JX. This video demonstrates the PG-800 Mini's random tone generator function, as well as the scratch patch function.

Tapping the WRITE button on the PG-800 Mini will generate a generic "scratch patch", which consists of two sawtooth waves, not detuned, through an open filter and a gated VCA. It serves as a great starting point when creating a new program.

Holding the WRITE button will generate a random program.

The unit used in this demo is running Vecoven 4.x firmware, and has the Vecoven PWM PCBs installed."

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