Elka Concorde 602 Electronic Organ and Bass Percussion

The portable organ for accordionists combines a keyboard with 43 keys (F-Si) and an accordion keyboard with 69 buttons for basses and accompaniment. It is apparently almost identical to the Concorde 402.

The keyboard's registers include 8 flutes and 1 clarinet. Presets in sections: Bass: Bass Flute 16, Bass Flute 8, Bass Attack; Percussion: 8, 5 1/2, 4, 2 1/2, 2, 1 1/2; Presets: Clavinet Solo, Theater, Full Organ, Draw Bass: Effects: Brilliance, Sustain, Short and Long Sustain, Vibato Full, Vibrato Light, Attack. The keyboard has stops for 6 flutes and 2 basses. The percussion section has 16 presets. Accessories: Expression pedal.