yamaha portasound pss-270

Yamaha PSS-170 PortaSound Voice Bank Keyboard Vintage

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Yamaha PortaSound Voice Bank PSS-170 Digital Synthesizer - Tested and Working

Yamaha PortaSound PSS-460 Keyboard Synthesizer 1980s Tested Working w/ Adapter

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VINTAGE YAMAHA PS-400 PORTA SOUND KEYBOARD W/ BOX CASE BOOKS MISSING POWER PLUG