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Siel | DK600

Description

The DK600 is Siel's unique Italian take on the mid-eighties programmable polysynth with MIDI implementation (badged as the Opera-6 in the UK). Just like the Juno-106 and Poly-61 of the time, the Siel was a 6 voice synthesizer with straight forward programming, simple effects and digitally controlled analog oscillators (DCO's). However, the Siel, having dual oscillators per voice sounds thicker than the Juno or Matrix because it's got 12 oscillators! And because they're DCO's, you know they'll always remain stable and in-tune even though they are analog in nature.

The DK600 has many other nice features such as complete MIDI implementation. There are 3 LFO's for extreme modulation. Both the filter and amplifier have standard ADSR envelope sections. And like similar synths, all the sliders and buttons are intuitively placed on the front panel for hands-on real-time programming.

The EX600 Expander module was also released (pictured above), featuring the same great internal synth engine as the DK600. However, the Expander is not programmable except from a DK600, an external MIDI sequencer or editor such as Unisyn. The Expander was intended to be programmed by transferring patches from the keyboard version. It's not rack-mountable either so it's usually best to go for the keyboard version. After all, the keyboard features the great layout of controls, velocity sensitivity and 61 notes (5 octaves)!

BrandSiel
ModelDK600
DeviceSynth
TypeKeys
Engine TypeAnalog
EngineDCO
Voices (max)6
Multitimbral1
Oscillators2
LFO3
Engine Detailed2 DCO's per voice
Filter (VCF)SSM analog with resonance and ADSR
Envelope (VCA)ADSR
Memory95 Programs
Keys61
Key typeKeys
VelocityY
AftertouchN
MidiI-O-T
Produced:1984 - 1985
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.

Manuals, patches etc.

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