Siel DK700 Vintage Midi Master Synthesizer, SSM Based

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via this auction

"This is a rather rare vintage Italian synthesizer. It is six voice polyphonic using SSM chips. Each voice has it's own DCO, VCF and VCA. This has the same sound engine as the DK-600, but instead of knobs it has a button interface.

I have successfully tested most functions and parameters, but the testing was not exhaustive. The only issue to point out is that sometimes a single note will linger at a very low volume, but eventually disappear when the voice is re-used. This happens intermittently. Original factory presets are loaded.

The panel shows some surface scratches and the endpieces have some dings. All buttons, keys and wheels work fine.
This is a collector piece and not a performance instrument and thus sold strictly AS IS."