The Casio Symphonytron 8000

via Electone Zone were you can find more info.

Specs:
* Two CT-8000 Keyboards
* Dual Keyboard Stand with Integrated Audio Mixer, model CS-200
* Auto Accompaniment unit, model RC-1
* Memory/Sequencer unit MB-1, used RAM-Pack RA-2
* Bass Pedal Keyboard, unit FK-1<;li>
* Volume Pedal, model VP-2
* Two Sustain Pedals, model SP-1
* Two Amplified Speakers, either model AS-10 (small), AS-120 (medium) or AS-1000 (large)

Features included:
* Two 49-note Keyboards
* 8-note Polyphony per Keyboard
* Monophonic Bass Pedal Voice
* 49 preset sounds including Piano 1-4, Honky Tonk Piano, Zimbalon, Synth-sound, Harpsichord 1-2, Celesta 1-2, Marimba, Harp 1-3, Koto 1-2, Taisho Koto, Banjo, Mandolin, Guitar 1-3, Electric Guitar 1-5, Electric Bass, Pipe Organ 1-5, Accordion, Bagpipe, Oboe, Clarinet, Flute, Shakuhachi, Wa-wa, Horn, Flugel Horn, Trumpet, Brass Ensemble, String Ensemble, Violin, Cello, and Double Bass.
* 18 Pedal Sounds including Organ 1-4, Tuba 1-2, Bassoon 1-2, Wooden Bass 1-2, Pizz. Wooden Bass 1-2, Electric Bass 1-2, Harpsichord 1-2, Piano and Synth Chime
* 16 Rhythms: Rock, Disco, 16 Beat, Samba, Beguine, Swing 2 Beat, Waltz, Slow Rock, Rock 'n' Roll, March, Cha-cha-cha, Bossa-nova, Latin swing, Swing 4 beat, Jazz waltz and Shuffle
* Versatile accompaniment with two arpeggio and bass variants
* Sustain, reverb, vibrato and stereo chorus"
You can also find more shots here. via André.