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Sequential Circuits | Prophet VS

Description

Here's a very cool keyboard from Sequential. Notice the joystick for controlling your sound modeling. The Prophet VS uses Vector Synthesis as its revolutionary new means of sound creation. It uses a total of four oscillators per voice with 127 waveforms (32 user) and dynamic waveform crossfading via the joystick. The sonic results were complex, evolving textures unlike anything heard before or since, making the VS an instrument that remains in high demand even today.

This was Sequential's first digital synth, and it was also their final synth unfortunately. But after Sequential was gone, Vector Synthesis technology went into the popular Korg Wavestation and Yamaha's SY-22 and TG-33. The Prophet VS is still a very sought after instrument because it has an incredible range of sounds!

The Prophet VS also came as a rack mount version.

BrandSequential Circuits
ModelProphet VS
DeviceSynth
TypeKeys
Engine TypeDigital
EngineWave
Voices (max)8
Multitimbral2
Oscillators4
LFOTwo, each with own envelope generator
Engine Detailed96 preset waveforms + 32 user waveforms
Filter (VCF)Curtis analog (digitally controlled) 4-pole lowpass with its own envelope generators
Envelope (VCA)5 stage amp, filter and mix envelopes
FXtwin chorus, stereo effects panning of individual oscillators/individual voices
Memory100 patches
Arpeggiatorversatile arpeggiator, user can define note order by playing etc
Keys61
Key typeKeys
VelocityY
AftertouchChannel
MidiI-O
Produced:1986 - 1987
Legend: Obvious Y: Yes, N: No, N/A: Not Applicable
VCO Voltage Controlled Oscillator DCO Digital Controlled Oscillator
LFO Low Frequency Oscillator Sub Sub Oscillator
VCF Voltage Controlled Filter VCA Voltage Controlled Amplifier
Velocity As with a piano, the harder you hit a key, the louder the sound, unlike most organs which always produce the same loudness no matter how hard you hit a key. Aftertouch Pressing a key after you activated it. Channel Aftertouch, no matter which key, it will send a Channel message. Poly Aftertouch, sends the pressure per key instead of the whole channel.
Values for OSC, LFO, Filter, Envelope are per voice unless stated otherwise.

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