Elka Rhapsody 610 Vintage Italian Analog String Machine Synthesizer Keyboard | eBay
Elka Rhapsody pedal: how it works? $5 at pawn shop, want use to with lap steel. ~7 Ohm Light bulb and prob a light sensor to change volume. 12 VDC not enough
Elka Rhapsody 610 BB1 | eBay
MATRIXSYNTH: Elka Rhapsody 490 String Machine SN 2612
Help identifying these string synths (Elka? Elex?) - Gearspace.com
Elka Rhapsody 610 Vintage Italian Analog String Machine Synthesizer Keyboard | eBay
1975 Elka Rhapsody 610 quick demo - YouTube
MATRIXSYNTH: Two ELKA RHAPSODY 490 STRING MACHINES