Velocity 6

Velocity 6 (image courtesy of http://home.telfort.nl/~smeyer/siel/)

Velocity 6

Released: 1984
MSRP: ?

Synopsis:

Rebadged Siel DK600.
Architecture Class: Conventional (subtractive).

Ebay Description:

The Sequential Circuits Velocity 6 (rebadged SIEL DK600) is a 61 key, 6 voice (velocity sensitive) analog synthesizer, featuring programmable dual oscillators, resonant low pass filter (24dB SSM), envelope, and 3 LFOs, along with 95 program memories, tape interface, and MIDI.

Physical

Form Factor Dimensions Weight Audio Input Audio Output Communication Port Control Input Control Output Switch Input Power
61 keys L:94mm
W:39.5
H:18.5
14.5kg no mono MIDI: IN OUT
tape
volume (5 pin DIN)
filter (5 pin DIN)
no no AC

Interface

Compatibility Multitimbral Memory Program Memory External Storage External Programming UI Input UI Output
Opera
6
DK
600
Kiwi
Expander
N/A 95 tape no buttons/knobs LED

Architecture

Multitimbral Polyphony Unison Architecture
no 6 no DCO1+DCO2->VCF->VCA

Output

Effects Pan Modulator Volume Modulator Headphone
none no EG
pedal:5-pin-DIN
Velocity
no

Control

Arpeggiator Arpeggiator External Sequencer Sequencer Memory Sequencer External Continuous Program Change
no no no N/A no Pitch-Wheel
Mod-Wheel
no

Keyboard

Key Pressure Chord Memory External Control External Sustain Key Scaling Velocity Curves
no MIDI no yes 4

Source

Name Signal Class Waveform Octave Range Amplitude Modulator Harmonics Modulator Pitch Modulator Wave Assign Modulator
DCO1 digital saw
pulse
4′ 8′ 16′ no PWM:LFO3 LFO1
DCO2 digital saw
pulse
4′ 8′ 16′ no PWM:LFO3 LFO1
Noise digital noise:pink 4′ 8′ 16′ no no no

Filter

Name Signal Class IC Resonant Shape Frequency Modulator Resonance Modulator Shape Modulator
VCF analog SSM2044 yes 24dB low pass EG
key
LFO3
pedal
no

Envelope

Name Level Rate Loop Polarity Trigger Level Modulator Rate Modulator
EG sustain attack
decay
release
no no no no Velocity

LFO

Name Waveform Delay Polarity Sync Delay Modulator Level Modulator Rate Modulator
LFO1 triangle? no no no no no
LFO2 triangle? no no no no no
LFO3 square
triangle
no no no no no
Conventional Models
Prophet 5 Prophet 10 Pro-One Prophet 600 Prophet T8 Fugue Prelude Velocity 6
Six-Trak Max Multi-Trak Split-Eight Prophet VS Prophet VS Rack