SPX90  (1985)
Yamaha

SPX90

Digital Effects Processor
Also SPX900, SPX990

Documents

Yamaha SPX90 Manual 
[808kb PDF]
From Backstage Heritage Collection

Classic Gear - Yamaha SPX90 (September 2007)
[4.91Mb PDF]
From Lighting & Sound International

Exhibits in the Backstage Heritage Collection

Yamaha SPX90  
From Backstage Heritage Collection

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