Dave Smith Instruments Evolver

Dave Smith Instruments Evolver Image

Released in 2002, Evolver is the first instrument to come from Dave Smith Instruments. Dave Smith is considered a legendary figure in the synthesizer world, he founded Sequential Circuits and designed such classics as the Prophet 5 and Prophet VS, and he was a pioneer in bringing MIDI to synthesizers. After a stint working in Software Synthesis for Seer Systems, Dave collaborated with Roger Linn on the Adrenalinn, and then officially came back to the world of hardware synthesizers. And the world was happy to find him back designing synths for a new generation of players - starting with Evolver!

So, there's no keyboard on this thing! Well, it's a hands-on desktop sound module and audio processor. The Evolver is a true analog synthesizer that incorporates many of Dave and Sequential's old secrets, circuits and technologies. It's monophonic with four oscillators - two analog DCOs and two digital - it's a true analog/digital hybrid synth. 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!

It's no surprise the Evolver was a hit when it came out. There just are no other modern analog-digital synthesizers in its price range, it sounds wonderful, and is one of those synths that has no real need for external effects or sweetening. 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).

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48 Visitor comments
M.L
March 6, 2011 @ 1:44 pm
This synth is an absolute monster. It can do great basses. Don't let anybody tell you differently. It can also do ferocious, wild, evolving chaos. If you don't like this synth, you're probably a sissy that gets weekly manicures. Go play with you boring Moog, make cliche sounds, and cry yourself to sleep you gutless wimp. This synth is mad scientists and warlords, not metrosexuals.
DeepDrain
February 15, 2011 @ 1:31 pm
This thing a monster.....sit down and spend the time tweaking those knobs and pressing those buttons you will not regret the sounds that you will conjure up. It makes up for its polyphonic limitations with it's sonic capabilities....
rib
January 14, 2011 @ 4:13 pm
This is a very, very good synth. Personally, I hate monosynths but this thing does so much more than that. You can plug in any digital synth to trigger the envelopes (resonant analogue filter!) and route the output to the effects section which is fully modulateable. Also, the sequencer is simple to programme via midi. It's worth the price for an effects unit alone. Overall, the quality of the sound is startling.
donkeytoy
November 29, 2010 @ 3:06 am
Best not to try and compare this machine to a synth in the conventional sense, its just something new and all its own which we really need more of in the price range. Amazing for bizarre, hybrid weirdness which gets even better if you throw it through some outboard effects (try this if you dont like how it sounds dry). Like the Pro One, outboard effects just seem to LOVE this thing, though I think the Pro One is really quite tonally different. Now if only Dave would stop rehashing the Evolver circuit into different "new" machines and *really* do something new and exciting like this again ;)
Ben Spektor
November 9, 2010 @ 10:55 am
Hey, a great synth, loved it a lot, you can here it in here:
http://benspektor.bandcamp.com/
There is a whole album I've made only with it.
 
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  • Check Prices on eBay
  • The link above will take you to a search for this synth to see active listings. If you don't find it there, try looking in our forum marketplace or post a wanted classified.
  • Specifications
  • Polyphony - Monophonic
  • 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.
  • 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.
  • Filter - 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.
  • VCA - 1 analog VCA per channel with ADSR envelope generator
  • Arpeg/Seq - 16 x 4 analog-style step sequencer that syncs to MIDI clock.
  • Keyboard - None
  • Effects - 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).
  • Control - MIDI In, Out, and Thru
  • Date Produced - 2002 - present
  • Resources & Credits
  • Images from Dave Smith Instruments

    Additional info provided by Miles Bader and David Bryce.

    Reviewed December 2007

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