The GR-500 is Roland's first guitar synthesizer. It is controlled using a MIDI guitar with a 24-pin connector. The GS-500 guitar was specifically designed to work with the GR-500.
Year Released: 1977
Roland GR-500 and GS-500 Service Manual
Vintage 1980 Roland GR-500 Guitar Synthesizer Sunburst & GS-500 Guitar Synth Module ($4,199.99)
Roland GR-500 Synthesizer with Roland GS-500 Guitar Synth Controller GR500 ($5,200)
Roland GS-500 / Ryo Kawasaki Guitar Synthesizer ($1,200)
ROLAND GR 24 TO 13 PIN TYPE BOX CONVERTER GR-500 GS-500 ($332.35)
Roland GR 500 synthesizer guitar Sunburst and Roland GR 500 synth 1977-85 ($5,559.78)
80's ROLAND GR 500 GUITAR SYNTHESIZER MODULE EXTERNAL CY / GATE ($2,829.31)
1978 Roland Color Promotional Ad Framed Roland GR-500 Synthesizer Original ($24.99)
24 Pin Clone Guitar Synth Cable GR-300 GR-500 GR-700 for Roland & Ibanez 15 feet ($105)
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