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.

General

Released MSRP Multitimbral Polyphony Unison Architecture
1984 ? no 6 no DCO1+DCO2->VCF->VCA

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

Source

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

Filter

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

Output

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

Aftertouch Chord Memory External Control Microtonal Scaling External Sustain Velocity Curves
no no MIDI no no 4

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