Yamaha DX7 Voice ROM Cartridge #2

Yamaha DX7 DATA CARTRIDGE Voice ROM 4 UNTESTED Original Owner Synth Keyboard

Yamaha DX7 Data Cartridge Voice ROM 3 TESTED AND WORKING!

Yamaha DX7 Data ROM Cartridge #1

Yamaha DX7 Voice ROM Cartridge #2 Orchestral Percussive Synth & Effects VRC-102

Yamaha DX7 Data Cartridge Voice ROM 4 TESTED AND WORKING!

Yamaha Data Rom DX7 II-D,II-FD Data Cartridge, Excellent

YAMAHA DX-7 Synthesizer VOICE ROM 3 & 4 DATA CARTRIDGE