via this auction" Includes international power supply for 110V – 240V AC operation (13-15 VDC, 400 mA)
The evolver series consist of 3 variants : the original monophonic evolver desktop unit, a 4 voice poly evolver rack and the inevitable poly evolver keyboard. The Evolver is a one/four voice analog synthesizer. It is fully programmable from the front panel.
The following specs are for one of the voices:
Four oscillators in total: two analog, two digital
Analog Oscillator waveshape are Sawtooth, Triangle, Saw-Triangle, and Pulse (with voltage-controlled analog Pulse-Width modulation)
Digital Oscillators select from 96 wavetables from the Prophet-VS (128 x 12 bits), and 32 user-loadable (via MIDI) Wavetables (128 x 16 bits). The Digital Oscillators get trashy as the frequency gets higher, as with the original VS
Hard Sync on the analog oscillators
FM and Ring Mod on the digital oscillators
Separate Glide per oscillator, with two glide modes
Real voltage-controlled analog lowpass filters - not digital recreations. 4-pole/2-pole switchable, fully resonant (in 4-pole mode). There are two separate filters, one for the left channel and one for the right
Analog Voltage Controlled Amplifiers (VCA), again one for each channel
Dual digital 4-pole Highpass filters (one per channel); place before or after analog electronics
Stereo audio inputs; Noise generator
Envelope Follower and Peak Detect from External Input to use as modulation sources
External Input can be used to gate envelopes and/or step the Sequencer
Three snappy ADSR envelopes
Four LFOs (sync with sequencer and MIDI)
Dual (left and right channel) tunable feedback loops; modulate frequency and amount
Delay with 3 taps; each with separate time and amount modulation. Syncs to sequencer/MIDI. Normal feedback and additional feedback path through analog filters
Distortion! Digital, one for each channel, can be placed before or after analog electronics
4 Banks of 128 Programs for 512 total Programs - dump to/from MIDI
16 x 4 Analog-style sequencer - syncs with MIDI
Extensive Modulation capabilities, including audio-range modulation. Bipolar (+/-) modulation
Easy to program matrix-style front panel with 8 endless-turn rotary encoders
A bunch of MIDI stuff
The internal controllers and DSP chips can be reprogrammed via MIDI, for easy feature additions."
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