The instrument
The analogue module came onto the market in the early 1980s.
Details
The unit has analogue circuits with Curtis CEM 3391 chips (24 dB low-pass filter) and SSM 2024 chips (VCA). Rhythm, Bass, Group 1, Group 2, Preset 1, Preset 2 can be controlled with rotary knobs. The sounds are all preset and not programmable.