YAMAHA DX7 FM Synthesizer 61-Key Vintage Keyboard Serviced Japan Made 1983

YAMAHA DX7s Synthesizer Keyboard 61-Key USED

YAMAHA SY99 Synthesizer 76 Keys Musical Digital Workstation

Operating Products Yamaha 88 Keys Piano Touch Synthesizer S80 W/ Foot Pedal

Yamaha SY55 Music Synthesizer Workstation Keyboard MIDI Tested Working Japan

Yamaha S90 88-Key Vintage Synthesizer Stage Piano Keyboard Rare

YAMAHA MOTIF6 61-Key Synthesizer Music Production Workstation Keyboard 61Key JP

Roland XV-5080 128-Voice Synthesizer Module with Three Expansion Module