MATRIXSYNTH

Wersi EX20R Rare Additive Rack Synth

Note: links to listings are affiliate links for which the site may be compensated. Wersi EX20 demo (avant garde elektronische musik)

Uploaded on Nov 6, 2011 acreil·67 videos

Video spotted in this auction

- pics and details for that one captured below.

"Download here: http://acreil.bandcamp.com/album/misc...

I don't know what's wrong with the likes/dislikes on this video. Analytics shows 24 likes and 0 dislikes, while the video currently shows 3 likes and 29 dislikes. There seems to have been a glitch at some point.

Multitracked Wersi EX20 with Ibanez SDR-1000 reverb. This synth is capable of some highly unusual sounds when (in)correctly programmed, so I thought I'd showcase that side of it. It's sort of a half tribute and half parody of 70s computer music (i.e. Jean-Claude Risset, John Chowning, etc.). I find that sort of music tends to be sometimes brilliant and sometimes ponderously arbitrary (at least from the listener's perspective), so I tried to get a little of each in there.

Due to the bizarre user interface and poor/unavailable documentation, I think very few people have programmed these synths to this extent. At the time I think I only had the German user manual. I have the English manual now, but it omits much of the sound programming stuff.

Most of the interesting territory comes from doing strange things with the pitch and amplitude envelopes. Each stage of the envelope can be assigned a "module" that takes two parameters and does some function like noise modulation, increment, delay, linear or exponential rise or fall, loop, etc. It's even possible to make nested loops. These things don't necessarily behave the way you'd expect (are these undocumented features or bugs?), so it's basically a trial and error process, but the results can be very surprising. Recorded 2010?

Check the (NiCd) memory backup battery if you own one of these. They can leak and cause damage."

via this auction

"The Wersi is a very deep synth, even today, has an analog filter and uses beautiful additive synthesis, with lots of envelope modulations possible..."

Curious how deep these are. Wersi's are known for more preset auto-accompaniment type machines. You can find some details in this previous post.

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Yamaha CS60 Vintage Synth

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ROLAND SH-101 SN 231893

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tokyowax (RSS)

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ROLAND SH-2 SN 931985 with Hard Case

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tokyowax (RSS)

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Yamaha CS01 Synthesizer SN 12014

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Jomox Mbase01 SN 2008-1154 with Original Box

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ROLAND Juno 106S

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Uploaded on Jun 27, 2013 Thrift Trekker·No public videos

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RARE 1980 Vintage CRUMAR EVI Steiner SERIAL NO: E2/00011

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via this auction

"This EARLY MODEL Steiner ELECTRONIC VALVE INSTRUMENT made in Italy by CRUMAR about 1980. THIS MODEL is 1 of only FIVE HUNDRED Produced in This Configuration. These were made for BRASS PLAYERS who wanted to double on MELODIC SYNTHESIZER (through an Amp) without having to use a Keyboard Instrument in both LIVE & STUDIO Performance & Recording. The Inventor, NYLE STEINER, has gone on to Develop & Produce MORE ADVANCED Models of the EVI & Records on THE INSTRUMENT for Movies & Television. THIS EVI was Newly Purchased at WURLITZER MUSIC on NEWBURY STREET in BOSTON, MASSACHUSETTS around 1981 by THIS CONSIGNOR."

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Emu EML Modules?

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via this auction which mentions EML. I'm guessing this is just a typo or mistake. I don't recall if EML worked with Emu on any modules back then. If you know feel free to comment or send me an email. As for design, these are clearly E-mu modular modules. Via the listing: "Some vintage 1970's components modules to perhaps a vintage synthesizer or sequencer? I have some paper work that I acquired with these parts. View the photos and judge what I have for yourself. I have no idea if these parts will work or not. Selling as is as found. Pick up only."

Some nice pics of the inside/backside including power supply.