Yamaha DX27 Synthesizer Programming Guide Vintage 2 items.. more too come... cover of one of the manual not in the best shade so open too offers ...
Yamaha DX27 Synthesizer 61-Key -With PSU And MIDI To USB
Yamaha DX27 /dx100 Synthesizer Programming Guide Vintage
Yamaha SY99 Floppy Disk Collection - Voices For Yamaha SY 99 Synthesizer
Vintage Yamaha Portatone PSR-16 FM 4 Op Keyboard Synthesizer Boxed Working VGC
Yamaha vintage PSS- 780 synthesizer keyboard
Yamaha reface DX Mini FM Synthesizer
