1982 Vintage WERSI wersimatic CX1 analog drum machine rhythm synthesizer

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"Wersi WERSI MATIC CX1 is a programmable rhythm machine / accompaniment from Germany.

The Wersi CX-1 is a Preset Rhythm Accompaniment and Drum Computer. It offers 64 presets with analog based sounds for drums and rhythm accompaniment. It has 3 sounds for bass, 5 for rhythms and 5 for accompaniment sequences. There is no sound editing of the internal synthesizer but the rhythm and drum sequences are user programmable and can be stored internally or via tape interface.

The CX1 has preset rhythms and is also programmable. It has analog sound generation for the drums and the accompaniment. Tape interface for storing own patterns onto tape – like on analog synths as Korg Polysix or Roland Juno-60. The drums sound a bit like the Korg KR-55.

The CX1 was also included in Wersi organs of the day.

Original receipt from 1983 $2,124

Original User Guide

Original Technical Data / Assembly Manual"

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Wersi Wersimatic WM24 + WM24b keyboard super rare 1978 Wood

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WERSI - Wersimatic II ...(1974) Published on Aug 8, 2011 premiumexpert

"... nothing but a short soundcheck. There's much more in it. Sorry, chords are not proper pressed.
The components of the free-standing version are called WM24 (rhythm) and WM24b (accompaniment)."

via this auction

- super rare combo
- addition mod. for external start/stop pedal
- crazy sound, please check demo video

These dudes are becoming highly collectable - not many were made...

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Wersi Wersimatic CX2 1985

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"For sale is the extremely rare Wersi Wersimatic CX2. The CX2 is a combination of a digital drumcomputer and preset synthesizer/organ. The drumcomputer section consists of 54 preset rhytms, but it is also possible to compose your own rhytms by using its composer (static/real time composing) and the 14 different drum sounds available. It also has accent.

The accompaniment section has a bass (guitar, synth, tuba), chord (e-piano, guitar, wah guitar, strings, organ), and arpeggio section (brass, clarinet, banjo, bells, strings, single notes) which can be played solo or combined. When the drumsection plays the accompaniment section can be triggered by pressing keys. It automatically follows the rhythms.
However, you can also make your own BASS solo, chords, and arpeggio patterns !!

This is a great instrument for modding. SSM2044 chips are installed on two of the cards, and a filter/resonance function can be easily added. Other possible modifications my be separate outs and volume pots for drum sounds and accompaniment, clock synq, etc. I prefered to leave it in original condition and let the next owner do this if preferred."

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Wersimatic WM7 with Space Echo 301

Published on Jan 2, 2019 Italian Vintage Stuff!

"Some more fiddling around on the German 70's Wersimatic WM7 drum machine through Roland Space Echo RE-301"

Wersi Wersimatic WM7 Drum Machine

Published on Dec 25, 2018 ChapelOne Music

"A quick run-through since there don't seem to be any video of this thing.
Very rare, great sounding, German, analog drum machine from the late 70's.

No effects or compression added."

Wersimatic WM24B Rhythm Keyboard

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via this auction

via the seller: "This rhythm keyboard controller is in good/near-mint cosmetic conditions. I don't have the central unit, so I can't verify the functionality. It needs the central unit to be powered and I don't know if it contains a sound generator."

You can find a demo of the full Wersimatic system previously posted here and some pics of the back and inside of one posted here. Based on the mono and stereo outs I'm guessing this should produce audio on its own? Additional information about the WM24B can be found in German here, Googlish here. According to that site, "The many pushbuttons are used to adjust the many bass, accompaniment, and arpeggio variations. As with the Böhmat S, the 2 octave keyboard completes the complete accompaniment machine. But you do not have to, sounds rather modest, but of course this is a matter of taste."

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Lalaland Synth Shop Reykjavik Iceland

Published on Feb 7, 2018 Synth Expert

"Icelandic electronic music producer Arnar Adalsteinsson gives us a tour of the rare gear in his synth repair and mod shop, Lalaland, located in the Reykjavik harbor."

Featured: Korg Delta, Jen SX1000, Jen SX2000, Sequential Circuits Pro-One with custom Prophet style knobs, Mini Meanie TTSH Arp 2600 clone, Yamaha CS30, Moog Memorymoog, Arp Axxe, Clef B30 Micro Synth, Roland Jupiter-6, KORG PS-3100, Wurlitzer, Wersi Matic CX2, Korg Mono/Poly with Tubbetec MIDI Kit, EKO Pony, Korg Trident, Roland Jupiter-4, Yamaha SK10, Filther DIY filter by Adalsteinsson,

Interesting look at the inside of the Wersimatic CX2. Lots of samples on it.

Wersimatic WM24, WM24B + Pedal

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"Fantastic rare vintage gem. Unfortunately need repair.

I bought it in full working condition but it's broke during shipping.

The power supply of the drum machine broke. (see photos, I have the broke part).
I took it to service (only the drum machine) but they didn't do really good job.
The drum machine is now working but two rhythm (foxtrott and shuffle) doesn't work.
When pushing "orgel stuerung" it's muting everything. Need restart.
Please watch video, it's about the actual item.

The WM24b organ doesn't work. That wasn't in service. I don't know what the problem is with it. Maybe just the power (it's get the power from the drum machine). Therefore can't test the pedal..

I belive all is repairable. But I'm tired to search the right tech guy here.

Hope it go into good hands who can bring it back to life!"

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The unstoppable Wersimatic

Published on Sep 18, 2017 organfairy

"Normally 'unstoppable' is a positive word. But when it is used in the same sentence as "drum machine" it tends to be annoying.
My Wersimatic II was literally unstoppable so I had to do something about it. It turned out to be a defective logic gate. Quite and easy fix but still something I had to do.

The music is 'Knuden' which was a minor hit for the Danish band Shu-bi-dua back in 1978. Apart from the Wersimatic II I play it on my Wersi Prisma DX-5."

Synth Rorschach #41 Christmas lights..... or is it a rhythm sequencer

Published on Dec 21, 2015 organfairy

Literally turning a synth rorschach into a working synth device. Be sure to see the Rorschach and Holidays channels below for more posts in each category!

"I found this old telephone exchange device in my garage. I remember buying it quite a while ago. But for some reason I have not used it for something untill now.

I converted it to a kind of drum sequencer somewhat inspired by the Eko Computerhythm from the 1970s and it can control the little drum synthesizer I build some years ago.

The music is "No milk today" that was a major hit by Herman's Hermits in 1966. I play it on my Wersi Prisma DX-5 while the rhythm comes from another distinctive drum machine namely the Wersimatic II."

WERSI CX1 WERSIMATIC Analog Groove Box 1982 | HD DEMO

Published on Sep 6, 2015 AnalogAudio1

"(c) 2015 by AnalogAudio1

In the beginning of the video I added a little reverb from a Dynacord DRP20 on the drums, all other effects came from the CX1 itself.

Wersi WERSI MATIC CX1 is a programmable rhythm machine / accompaniment from Germany.

The CX1 has preset rhythms and is also programmable. It has analog sound generation for the drums and the accompaniment. Tape interface for storing own patterns onto tape - like on analog synths as Korg Polysix or Roland Juno-60. The drums sound a bit like the Korg KR-55.

The CX1 was also included in Wersi organs of the day."

"So long" - with Wersimatic II

Published on Apr 6, 2015 organfairy

"I got this Wersimatic drum machine/auto-orchestra unit working a couple of videos ago. But now somebody complained that I didn't show it actually working. Therefore in this video I play ABBA's 'So long' on the Wersimatic II and Wersi Prisma organ. It is probably not what could be described as an action-packed video. Doing one-finger chords on a keyboard is not really mind-blowing in any way. But I hope that is proof enough that it works!"

Tying the loose ends on the Wersimatic II...

Published on Mar 23, 2015 organfairy

"... both literally and in the figurative sense.

I bought this Wersimatic II drum machine/auto accompaniment unit together with some other Wersi stuff 5 years ago. But for various reasons I have not made something usefull out of it - untill now.

The most important reason was that I didn't know how I should use it: A separate box with the unit and an external keyboard - like the Wersimatic WM-24, or build it into an organ with an inferior drum unit, or maybe disconnect the auto accompaniment part and use the drum machine part on its own, or maybe something completely different.

I finally decided that the best idea after all was to make a self contained instrument out of - one that had it's own build-in keyboard, power supply, control panel, and off course the Wersimatic electronics itself. This video shows the assembly process.

The music is made using the Wersimatic for the rhythm, arpeggios, and the bass. The first melody is something I just botched together adding chords and melody from my Wersi Prisma and Korg Poly 800 synthesizer. The other melody is 'Susan Himmelblå' by the Danish singer Kim Larsen. There I use only the Prisma organ in addition to the Wersimatic."

WERSIMATIC II 2 - vintage drum maschine - old school beatbox vs Darth NoiseLab!

Published on Dec 20, 2013 NoiselabCH·4 videos

"This WERSIMATIC II has an astonishing pure and lovely electronic Drumsound, however badly recorded in this vid. The accompainement section is funny, but sounds toyisch exept for the bass. As you can mix preset directly together, it's still possible to get out some useful sounds out of this vintage drumsynthesizer. More than that I believe it sounds unique and stands well concerning sound among other drummaschines, I believe it simply have a loverly bassdrum.

No effects, comps or whatsoever in this vid, routed directly in EDEN bassamp no EQ's and unfortunately only recorded with an IPhone, just having fun with the WERSIMATIC.

There are different WERSIMATICs drummaschine / beatbox's built in the 60ties and 70ties till early 80ties. But this one is UNIQUE! Built from an swiss engineer and organ player. This WERSIMATIC II iwas built out of a WERSI Organ and professionaly assembled in a new box.

Much more possibilities than expected.

Feel free to comment and the WERSIMATIC-force be with you ;-)

Darth NoiseLab - CH"

WERSI - Wersimatic CX2 digital - 1984 official promotion demo / 7" vinyl single advertising

YouTube Uploaded by premiumexpert on Nov 4, 2011

"Curt Prina präsentiert 1984 das neue programmierbare Wersimatic CX 2 Begleitorchester mit den brandneuen 8-bit Digital-Drums und digitalen Soundeffekten. ---
In 1984 Curt Prina, musician and entertainer, introduces the new CX2 digital, the first WERSI programmable rhythm unit + accompanying orchestra with brand new (8-bit) digital drums and digital sound effects.
For example used in the WERSI organs Helios, Saturn, Galaxy and Comet.
The pic shows the universal free-standing version.
In the recording Curt Prina plays the WERSI DX organ together with the CX2.
( 7" vinyl single 'Magic of the Digital-Drums', WERSI 1984)"

WERSI - "Funky" Wersimatic CX1 ...(1982)

YouTube Uploaded by premiumexpert on Aug 6, 2011

"Soundcheck : Analog Drums + Synthe Bass + Wah Guitar + Clarinets
(some reverb added)"

WERSI - Wersimatic II ...(1974)

YouTube Uploaded by bernd16244 on Nov 28, 2010
Update: Re-Published on Aug 8, 2011 premiumexpert

"Wersi CX 2 Demo"

Wersimatic WM24 and WM24B demo and tech details

YouTube Uploaded by sounddoctorin on Jul 13, 2011

"Bob Weigel Of http://www.sounddoctorin.com demonstrates and explains a few tech details on the rare Wersi rhythm combo pair (see near video where I talk about finding the 6 pin din cable in a dumpster where I was felt led to go reach in and grabbed out a bag with a new cable. lol."

the Wersimatic II drum machine

YouTube Uploaded by organfairy on Apr 5, 2011

"Last summer I bought a big box of old Wersi circuit boards from a former Wersi builder. Amongst them were a complete Wersimatic II drum machine with auto accompaniment.
It had some defects but now it is (practically) working.

The first song I ever heard that featured a Wersimatic II was the first title on a live album by Klaus Wunderlich and was a mambo medley of "Amor amor amor" and "Brazil" - both old standards that is a part of many organplayers's playlists.
I figured it could by fun to play it with the same setting as mr Wunderlich did in 1978. In the beginning the unit alternates automatically between bossanova and mambo, and then both rhythms play together after turning off the alternate function. I also use the fill-in button. Set your phasers to MAX CHEESE!

The other instruments are Technics SX-C600 organ and Roland SH-2000 synthesizer."

Wersimatic II + Roland SP 404

YouTube via cube15 | October 05, 2010

"Low quality video.
Vintage analog drum machine/composer.
Modern sampler."