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"A cool analog monophonic/polyphonic from Korg. It has 4 VCO's which can be shared in 4-voice Polyphonic mode, or linked in Unison for a versatile monophonic lead. Each VCO has its own level, tune, and waveform type control. Waveforms include triangle, sawtooth, variable pulse wave. It has a great VCF (filter) section as well as 2 envelope generators (one for the oscillators and one for the filter). There are also 2 individual LFO's which can be used to modulate the Pulse Width, envelope and Arpeggiator independently.
A very flexible and fun synth. Other cool tricks up its sleeve include chord memory and an effects mode in which oscillators have a variety of ways to be synced. The built-in arpeggiator and sequencer can run all 4 VCO's at a time or cycle through each voice per note! There's also portamento, CV/Gate, VCF and VCO mod inputs, white noise generator, and the pitch/mod wheels can be assigned to control LFO, pitch or the filter. Its sound quality is nice and very Korg."
"JUST FULLY SERVICED !
"A cool analog monophonic/polyphonic from Korg. It has 4 VCO's which can be shared in 4-voice Polyphonic mode, or linked in Unison for a versatile monophonic lead. Each VCO has its own level, tune, and waveform type control. Waveforms include triangle, sawtooth, variable pulse wave. It has a great VCF (filter) section as well as 2 envelope generators (one for the oscillators and one for the filter). There are also 2 individual LFO's which can be used to modulate the Pulse Width, envelope and Arpeggiator independently. 
via the seller: "Here is an interesting instrument that I have enjoyed playing over the years. The RMI DK-20. It has an analog/digital hybrid sound. The DK-20 was introduced in the late 70's and took advantage of the most advanced digital technology available at the time. After you select your sound you can control the decay time, the curve, the final release, then you can mix and modify the voice with phasers, filters, and other unique modifiers in the "Timbre" section of the control panel. You can really get some interesting sounds going by mixing and matching the voices with the phasers and the separate outs. 
"The Taurus II - essentially a foot-controlled Moog Rogue was produced from 1981 to 1983. The Taurus II had 18 pedals, modulation and pitch bend wheels, oscillator sync functions and full CV interfacing, but had no footswitch or foot slider control whatsoever and no stock presets, making this instrument much less optimized for live performance use vs. the Taurus I. As a compromise, the control panel on the Taurus II was raised to waist height on a central shaft (mic stand), to facilitate onstage modification of the settings.
