Korg Trident SN 331622

via this auction

FEATURES:
(Quoting from manual)
"Includes the full capabilities of 3 complete key-boards in one: 8 voice programmable polyphonic synthesizer, brass & strings."

"Memory equipped polyphonic synthesizer section's two memory banks store a total of 16 different tone color programs instantly selectable at the touch of a button. Also there are presets for acoustic piano, electric piano & clavi."

"Keyboard split controls let you assign each section ( synthesizer, brass, strings) to either the upper or lower ends of the keyboard or both. So you as much or more flexibility and variety as playing two separate keyboards !"

"The brass section is equipped with additional VCF and EG modules independent from the polyphonic synthesizer controls. The string section features a unique and original bowing effect that lends surprising realism."