The VZ-1 is a synthesizer based on interactive phase distortion (iPD), which is similar to FM synthesis. It can store an additional 64 patches and 64 performances (operation memories) on an RA-500 RAM card.
It is available in rackmount form as the Casio VZ-10M.
Year Released: 1988
Keyboard: 61 keys with velocity and aftertouch
Polyphony: 16 notes
Multitimbral: 8 parts
Preset Patches: 64
User Patches: 64
Screen: 64 x 96 pixel monochrome backlit display
Outputs: two 1/4" outputs
Power Consumption: 16 watts
Dimensions: 1060 mm x 324 mm x 93 mm
Weight: 12 kg
Casio VZ-1 1988 Black ($200)