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Pssing Acid Tutorial - Loops and Realtime tweaking on Yamaha Pss-480 Pss-580 Pss-680 Pss-780 - YouTube
Yamaha Portasound PSS—680 1980s | Reverb
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This week it's the turn of the Yamaha PSS-680 to be put through its paces. Loads of great sound-design possibilities on this little FM synth. Full track... | By Alfonse | Facebook
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Vintage Yamaha PSS 680 2 Operator FM Portasound Synthesizer w MIDI Portable Battery Operated Synth | Reverb
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YAMAHA's toy went berzerk! The PSS-680 MUSICSTATION - YouTube
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YAMAHA PSS 680 - Review & Demo - Retro Classic From 1988 - HQ Audio - YouTube
