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Sequential Prophet VS Rack flagship vector synth! Some light rack rash.

Flagship rackmount vector synthesizer combining four digital oscillators with joystick-controlled vector mixing and extensive modulation capabilities.

Type
Digital Vector Synthesizer Module

Model
Prophet VS Rack

Manufacturer
Sequential Circuits

Country of Manufacture
USA

Era
1987–1989

Polyphony
8 Voices

Sound Generation
Digital Vector Synthesis
96 Single-Cycle Digital Waveforms

Controls
Vector Joystick
Master Volume
Data Entry Slider
Program Selection Buttons
Dedicated Parameter Editing Controls

Input
MIDI In
MIDI Thru

Output
Left Output
Right Output
Headphone Output
MIDI Out

Power Supply
Internal AC Power Supply

Notable Features
Rackmount version of the legendary Prophet VS keyboard
Four digital oscillators per voice
Real-time vector synthesis using joystick-controlled oscillator blending
96 onboard digital waveforms
Analog Curtis low-pass filters
Analog VCAs
Programmable vector envelopes allowing automated oscillator movement over time
Extensive modulation matrix architecture
Built-in stereo chorus effect
Split, Layer, and Double performance modes
Patch cartridge port for external memory storage
Hybrid digital/analog architecture
Known for evolving pads, digital textures, cinematic soundscapes, and complex motion synthesis
One of the most influential synthesizers of the late 1980s
Designed by a team including Dave Smith and Chris Meyer
Widely regarded as a predecessor to later vector synthesis instruments and modern wavetable synthesizers
Rare and highly sought-after vintage synthesizer module today

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