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Tuesday, September 06, 2016

Jupiter Clone - Sound Demo


Published on Sep 6, 2016 tiergrinder

"This synth is based on Jupiter-8's voice circuits and it shares 100% the same VCO circuits and MOD CON circuits with the original JP-8. Only small differences are that some of the rare transistors are replaced with modern versions.

Polyphony is cut from 8 voices to 4, just because the huge amount of components needed to finish one working voice.

Roland's custom IR3109 Filter chips are replaced with similar OTA Filter design build from discrete components. Roland's IR3R01 envelope generator chips replaced with Electric Druind's Voltage Controlled ADSR design, each running on their own eeprom. There are total 8 of these VCADSR microcontrollers to provide double voltage controlled envelopes for each voice.

More info about the Electric Druids Awesome VCADSR's can be found here : http://electricdruid.net/voltage-cont..."

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