Here's an interesting piece spotted and sent in via M Me. It is currently listed here. It appears to have been built by Bernd Haller of Vermona in 1981. This is the first one to be featured here on MATIXSYNTH.
Googlish translation from the listing:
For sale comes here an exclusive drum computer from the former GDR.
"Alpha 5 Computer Rhythm"The "Alpha 5 Computer Rhythm" was about 1981 as a single piece by Bernd Haller
(erm. Vermona)
personally developed and built.
+ + + E I N Z E L S T C K + + +
Bernd Haller (formerly Vermona GDR) was instrumental in the development
involved in various products of the company, such as:
Vermona Synthesizer, Vermona DRM, Vermona Phaser 80 ... and much more.
The here to sell drum computer Alpha 5 did not come into official trading!
Prototype of the Vermona DRM (preliminary stage)
Technical description:
Sound generation: analog
Control: Digital
CPU: U880D
Parallel I / O Controller: 2 X U855D
EProms: 2 x pieces (1 x operating system + 1 x rhythms)
Instruments: 8 (BD, SN, TT, BG, CL, CY, HH, HC)
Rhythms: 26
(Walz, Slow Walz, Slow Rock, 6/8, Swing, Shuffle, Swing Fox, Tango, Beguine, Rumba, Bossa Nova, Cha Cha, Samba, March, March Beat, Disco, Ragge, Philli, Beat 1, Beat 2 , Soul, Country Beat, Fox, Twist, Rap, New Wave)
Sound control: separate highs and lows
Volume control: Each instrument individually + sum
Tempo: Analog potentiometer
Display: metronome optical 2 x LED (red / red)
Special Features: Remote Control, Alternate, BD Solo, Fill In, Solo.
Every instrument is Mutebar!
Size: 470 X 400 X 150 mm
Weight: 7,7 Kg
Voltage: 220 volts AC / 50 Hz
Case: Thomann, 620 X 530 X 210 mm
Case weight with device: 13 Kg
Delivery:
"Alpha 5 Computer Rhythm", power cord, technical documentation, Thomann Case
Status:
The "Alpha 5 Computer Rhythm" is used with signs of wear, functional.
Professional DIY project by Bernd Haller (Vermona).
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