Yamaha GX-1

Common card · No. 441305

The Yamaha GX-1, first released as Electone GX-707, is an analog polyphonic synthesizer developed by Yamaha as a test bed for later consumer synths and Electone series organs for stage and home use. The GX-1 has four synthesizer "ranks" or three manuals, called Solo, Upper, and Lower, plus Pedal, and an analog rhythm machine. The GX-707 first appeared in 1973 as a "theatre model" for use on concert stages, before the GX-1 was publicly released in 1975.

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