Yamaha PortaSound PSS-480 Digital Synthesizer Keyboard No Power Adapter, Tested

Yamaha PortaSound PSS-460 Keyboard Synthesizer w/ ac adapter, Works, Vintage

*PREOWNED* TESTED Vintage 1983 Yamaha PortaSound MK-100 Electronic Keyboard

VINTAGE Yamaha PortaSound PSS-80 32 Mini-Key Keyboard Digital Synthesizer Tested

Yamaha PortaSound PSS-570 Vintage 1987 FM Synthesizer Keyboard 49 Keys Working

Yamaha Portasound PSS-14 Piano Keyboard TESTED WORKS

Vintage 80s Yamaha Electronic Keyboard PSS-270 Portasound Tested & Works

Vintage Yamaha PS-3 PortaSound Electronic Keyboard And Case For Parts *READ*