Yamaha TG77 Tone Generator Rack Module FM Synth Tested Working Japan

Yamaha MU2000 XG Tone Generator MIDI Sound Module Rack Synth USED from JAPAN

Yamaha MU2000 XG Tone Generator MIDI Sound Module Rack Synth Japan

Yamaha Motif-Rack TONE GENERATOR Rackmount Synthesizer Digital Synth Silver

Thomas Henry SN Voice Space Invaders Sound Chip Eurorack Synth Module SN76477

RC Circuit Bent 'Radio Noise' Sound Generator Glitch Synth

Yamaha FB-01 Digital FM Sound Generator Synth Module, Works Great!

E-MU Systems Orbit-3 w/ 4 ROMS (128-Voice Super Synth)