Siel DK600

Siel DK600 Image

DK600

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.

Siel Expander Image

EK-600 Expander

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)!

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Comments

Are you looking to buy or sell a Siel DK600? Post an ad in Gear For Sale or a request in Gear Wanted. For spare parts and repair services check out Gear Services & Other Goods. Our forums also has a Buyer’s Guide section where you can ask for advice on buying synthesizers.

17 Visitor comments
rtyr6
March 31, 2014 @ 7:24 am
to message below - it's not paraphonic. It's updated Opera 6, with smoother sound.
Matt Cullins
March 20, 2014 @ 10:16 am
I'm having a couple problems with my DK600. The MIDI on it has gone haywire. I updated my computer and midi interface and ever since then it's been on the fritz. I hooked it up to my old set up and it's still acting up. Please help!! There's no patch memory either. That I can live without, but i need MIDI!
george
March 16, 2014 @ 4:58 am
Always at the repair shop...
Sold it and I am happy again
haus
January 2, 2014 @ 11:47 am
Matrix doe not have single osc per voice. And is a much better synth by far. No comparison to a Siel DK600 in any regards.
robespierre
September 26, 2013 @ 6:11 pm
andy:
no, it has a separate SSM2044 filter with a SSM2056 envelope generator for each voice.
Siel made the DK70 (with only one paraphonic filter) and the DK80 (two paraphonic filters, one for each timbral part)
 
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  • The link above will take you to an eBay search for this synth to see active listings. If you don't find it there, try looking in our forum marketplace or post a wanted classified.
  • Specifications
  • Polyphony - 6 voices
  • Oscillators - 2 DCO's per voice for 12 total
  • LFO - 3 LFO's
  • Filter - SSM analog with resonance and ADSR
  • VCA - ADSR
  • Keyboard - 61 notes with velocity
  • Memory - 95 programs
  • Control - MIDI
  • Date Produced - 1984-85

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