Wersi Wersimatic CX2 1985

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via this auction

"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."