Korg DW-8000

via this auction
"From Manufacturer:
Take Korg's first digitally controlled analog synth hybrid (DW-6000) two steps higher and you get the more popular DW-8000. Sound is digitally generated from the DWGS (Digital Waveform Generator System) and has been doubled from 8 sampled digital waveforms to 16 simple analog to complex digital waveforms. The DW-8000 has 8 voice polyphony in two modes, or one monophonic mode with all eight voices stacked. The analog VCF resonant filter and VCA both have independent ADBSSR envelopes. Parameters can be altered in real time via a single programmable slider. There are 64 presets that can be reprogrammed by the user."

KORG X-911 MONOPHONIC GUITAR SYNTH

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Sequential Circuits Prophet-600

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Roland JX-8P

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"The JX-8P is a decent analog polysynth. It has 6 voices of polyphony, great MIDI implementation and patch storage as well as an external memory cartridge slot. Though it is far more advanced than its predecessor, the JX-3P, the JX-8P has its drawbacks. Hands-on programming is sacrificed and reduced to assigning the parameter you want to tweak to a data-slider near the pitch/mod bender. Enter the PG-800 controller which gives you total control of all the JX-8P's editable parameters with hands-on traditional slider control. Membrane buttons dominate the front panel of the JX-8P providing access to the various preset and user patches and to page through and assign editable parameters."