This is a unit has, from what I can tell maybe only ever been used once, my grandfather bought it new and according to my father could never figure out how to work it. Has everything it originally came with including the manual. Unit powers on, all buttons functional all midi inputs look clean, no corrosion.
Suzuki SX-500/Siel Expander 80 features the following: 8 voice polyphonic 2x multi-waveform digitally controlled analog oscillators 1x SSM 2045 resonant low-pass filter (Sequential Circuits type filter) 2x LFO's 2x VCA's 3x envelope generators (2x VCA, 1x VCF) Noise generator Analog Chorus (bbd based) Sequencer (polyphonic, 300 note) Full MIDI implementation Mono and Stereo outputs MIDI CONTROL: Every single parameter can be controlled with MIDI cc
