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The Poly Evolver Keyboard is the king of Evolver performance synthesizers. It is a four-voice synthesizer with a 5-octave keyboard, pitch and mod wheels, and a ton of knobs and switches in a clean, clear layout for the ultimate in real-time control.
Main Features:
- Each voice is a complete Evolver with four oscillators per voice, two analog and two digital.
- True stereo signal path with separate Curtis analog low-pass filters in each channel for each voice. Each voice has its own independent effects (feedback, delay, distortion, high-pass filter, etc.).
- Highly accessible sound control for easy, intuitive operation: 78 knobs and 59 switches.
- Clocked, pulsing blue LEDs and hardwood end-panels.
- Each voice has an independent 16 x 4 step sequencer. Everything (sequencer, LFOs, and delay) syncs perfectly to MIDI.
- In Program mode, all four voices play the same sound. In Combo mode, voices can be allocated however desired: stack all 4 for a huge unison sound, split or layer the keyboard in any configuration, and/or play one or all sequences at the same time. Each voice can respond to a different MIDI channel.
- Multiple Poly Evolvers can be daisy-chained for increased polyphony. “Poly Chain” mode (with dedicated MIDI output) handles voice assignment overflow for effortless expansion.
- Each voice has its own stereo output in addition to the mix and headphones outputs.
- Stereo audio input that can be routed to any or all of the voices, enabling parallel audio processing of external stereo or mono signals. The output of one
- voice can be routed to the input of another for interesting double-processing effects.
Specifications:
- 5-octave, semi-weighted action keyboard with velocity and aftertouch.
- Spring-loaded pitch wheel and assignable mod wheel.
- 512 fully editable Programs (4 banks of 128) and 384 Combos (3 banks of 128).
- Numeric keypad for direct access of Programs and Combos.
For each of the four voices:
- Oscillators: 2 digitally controlled analog oscillators (DCOs) with selectable sawtooth, triangle, saw/triangle mix, and pulse waves (with pulse-width modulation), and hard sync; 2 digital wavetable oscillators with Prophet VS waves and wave sequencing capability, FM and ring modulation.
White noise generator. - 2 Low-pass filters: 1 analog Curtis filter per channel, selectable 2- and 4-pole operation (self-resonating in 4-pole mode).
- 3 Envelope Generators: filter, VCA, and assignable (four-stage ADSR).
- 4 LFOs.
- Glide (portamento): separate rates per oscillator.
- Analog VCAs.
- Digital high-pass filter.
- Digital delays: 3 separate, syncable, stereo delay lines.
- Tuned feedback with "Grunge": use feedback as a pitched sound source.
- Distortion and "Output Hack."
- 16 x 4 step sequencer.
Ins and Outs:
- MIDI In, Out, Thru, and Poly Chain.
- Stereo audio input: 1/4" unbalanced.
- Main stereo audio output: 1/4" unbalanced.
- Separate stereo outputs (per voice): 1/4" unbalanced
- Stereo Mix Input: for Poly Chained Poly Evolvers.
- Sustain pedal input: accepts normally on or normally off momentary footswitch.
- Pedal/CV1 and Pedal/CV2 inputs: responds to expression pedals or control voltages ranging from 0 to 5 VDC (protected against higher or negative voltages).
- Headphone output: 1/4" stereo phone jack.
- Includes power supply for 110V – 240V AC operation (15 VDC, 1300 mA) and operation manual.
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