In perfect working order and nice and clean with no damage or marks. Takes 4AA batteries. Or there is a DC 12 V port at the back, but power cable not included.
Yamaha Portasound MK-100 Vintage 1983 49-Key Synthesizer Keyboard
YAMAHA PortaSound VSS 100 Keyboard Digital Voice Sampler & Synthesizer Tested
Yamaha Portasound PSS-130 Electronic Keyboard Musical Instrument Original Box
Yamaha Portasound PS-2 Keyboard Vintage Case, Power Cable and Instructions.
Yamaha Portasound PSS-30 Vintage Keyboard Electronic, Working
