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Analog, CV controllable ADSR GeneratorThe Instruo Cèis is a fully analogue, CV controllable ADSR envelope generator. The ADSR is a more traditional shapable voltage control voltage envelope used extensively in subtractive synthesis patches. The Cèis allows full voltage control over the 4 segment faders with multiple gate/trigger outputs for maximum versatility of a classic tool.
Specifications
LED button for manual control and indication of output CV levelFader and CV control over all 4 segmentsGate output per segmentLED faders for indicating segment stage when in useGate/Trig switch which forces completion of the Attack duration when triggeredCombined trigger output which fires when there is a change in segmentVariable envelope response shape from linear to exponential
Description
The Cèis is a classic four stage envelope generator with variable control over attack duration, decay duration, sustain level and release duration.
Each envelope segment is controllable via smooth action 30mm travel faders. These faders sum with their own external CV inputs for dynamic variation of the envelope segment durations and level.
Each fader is illuminated when particular segments of the envelope are active. These lighting signals also drive 4 gate outputs that are high when the corresponding envelope segments are active.
When controlling the Cèis with trigger signals, as opposed to longer gates, the Gate/Trig switch can be used to force the attack segment to complete its charge. This allows for use as a variable AR envelope.
In addition to the Gate/Trigger input jack, the Cèis can be controlled manually by its illuminated button. This button lights to indicate the output voltage level.
The shape potentiometer varies the curvature of the temporal segments. Fully CCW and the envelope ramps are perfectly linear. CW will curve the A, D and R ramps to classic exponential shapes.
Specifications8hp 60 mA +12V/ 30 mA -12V / 27mm deep
