Year Released: 1990
Keyboard: 49 keys
Yamaha • Portasound PSS-290 *MINT in box* FM synth (1990) ($138.59)
Yamaha PSS-290 Portasound 90s 49key Keyboard FM Synth Excellent C ($100.99)
Yamaha PSS-290 PortaSound Service Manual 1990 ($15)
Yamaha PortaSound PSS-290 Service Manual [Three Wave Music] ($12)
Power Supply Replacement for YAMAHA PSS-290 KEYBOARD ADAPTER UK 12V ($10.69)
Yamaha PSR 290 Electric Piano ($173.22)
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