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Dave Smith Instruments (DSI) | Evolver |
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Description | Released in 2002, Evolver is the first instrument to come from Dave Smith Instruments. So, there's no keyboard on this thing! Well, it's a hands-on desktop sound module and audio processor. The Evolver is an analog/digital hybrid synthesizer that incorporates many of Dave and Sequential's old circuits and technologies. It's monophonic with four oscillators, two analog DCOs and two digital. The analog oscillators feature multiple classic waveforms plus pulse-width modulation and hard sync, and they sound really nice and big. The digital oscillators feature FM synthesis, Ring Modulation and 96 wavetables straight out of the Prophet VS (plus 32 user wavetables, loaded via MIDI software editors such as Motu Unisyn). Evolver also features two Curtis voltage-controlled analog low-pass filters which are fully resonant and switchable for two- or four-pole operation, two digital highpass filters and real analog VCAs. Modulation capabilities are handled by four LFOs and three ADSR envelope generators (for the filter, the amp, and one is user assignable). There are dedicated onboard effects (feedback, delay, distortion, glide, etc.). Stereo audio inputs let you process external audio through the Evolver's filters, envelopes, LFOs and effects. One of its coolest features is the MIDI-syncable 16-step, 4-parameter, analog-style sequencer (with each patch able to store its own sequence) which really brings the Evolver to life with animated evolving sounds. The LFOs, step sequencer, and three separate delays can all be synced for massive, rhythmic, time-based effects in stereo. As for programming and tweaking all these functions, Evolver's easy-to-navigate matrix-style interface allows for quick editing and real-time control of 8 parameters simultaneously. A major unique feature of the Evolver is that although it is monophonic, it has a true stereo signal path. The reason many things come in multiples of two here is because each channel gets its own independent analog oscillator, lowpass filter, highpass filter, VCA and effects. It's sort of like two independent synths - one on the left and another on the right. This allows for pretty nice stereo imaging effects not possible with most other mono-monophonic synths. Some of the factory patches will make your jaw drop - sometimes it's really hard to believe it has only a single voice! Evolver literally is a rebirth of the best of Sequential Circuits, updated to meet the needs of today's musicians. The internal computer and DSP chips can be reprogrammed via MIDI, for easy bug fixes, OS updates and feature additions. Other forms of the Evolver that have evolved: Mono Evolver (a keyboard version), Poly Evolver (a polyphonic keyboard version), and Poly Evolver Rack (a polyphonic rack module). |
| Brand | Dave Smith Instruments (DSI) |
| Model | Evolver |
| Device | Synth |
| Type | Desktop |
| Engine Type | Hybrid |
| Engine | DCO, Wave |
| Voices (max) | 1 |
| Oscillators | 2-2 |
| LFO | 4 LFOs each with sawtooth, triangle, ramp, pulse, and random waves. Each LFO can be routed to any destination in the matrix. Can sync to MIDI clock. |
| Noise | Y |
| Engine Detailed | 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. |
| Filter (VCF) | 2 Low-pass filters: 1 analog Curtis filter per channel, selectable 2- and 4-pole operation (self-resonating in 4-pole mode) and ADSR envelope generator. 2 digital 4-pole Highpass filters. |
| Envelope (VCA) | 1 analog VCA per channel with ADSR envelope generator |
| FX | Digital delays: 3 separate, syncable, stereo delay lines. Dual (left and right channel) tunable feedback loops with "Grunge": use feedback as a pitched sound source. Distortion! Digital, one for each channel, can be placed before or after analog electronics; and "Output Hack." Separate Glide per oscillator. |
| Memory | 512 fully editable programs (four banks of 128). |
| Sequencer | 16 x 4 analog-style step sequencer that syncs to MIDI clock. |
| Keys | 0 |
| Key type | N/A |
| Velocity | N/A |
| Aftertouch | N/A |
| Midi | I-O-T |
| CV-gate | 2x CV In |
| Extra info | Poly Chain |
| Produced: | 2002 - 2014 |
| Legend: | Obvious | Y: Yes, N: No, N/A: Not Applicable | |
| VCO | Voltage Controlled Oscillator | DCO | Digital Controlled Oscillator |
| LFO | Low Frequency Oscillator | Sub | Sub Oscillator |
| VCF | Voltage Controlled Filter | VCA | Voltage Controlled Amplifier |
| Velocity | As with a piano, the harder you hit a key, the louder the sound, unlike most organs which always produce the same loudness no matter how hard you hit a key. | Aftertouch | Pressing a key after you activated it. Channel Aftertouch, no matter which key, it will send a Channel message. Poly Aftertouch, sends the pressure per key instead of the whole channel. |
| Values for OSC, LFO, Filter, Envelope are per voice unless stated otherwise. | |||
