GEM Wizard 315

VOICE Main voice circuit is based on   DIP40 M108 B1 (SGS / ST Integrated Circuit M108B1 Electronic Organ + Accompaniment).
The Gem Wizard 315 is organized in 4 main sections:
- organ with register: with percussion and 3 register flute 16' 8' 4'
- synthesizer with preset : 7 preset with SOFT / LOUD option piano, harpsichord, accordion, synth, brass, vibrafone and pan flute
- drum machine preset: 8 presets: latin, rock, disco, swing, blues, walts, tango and march. 
- auto-accompaniment: It's the magic chords system, not sure how this works!