It has been tested and is working well, and I include a video showing it in use. Classic Casiotone sound engine. Casio Casiotone MT-600 keyboard. Synth collectors. Keyboard presents very well for its age.
Vintage Casio Casiotone MT-820 Keyboard Melody Guide w/ 2 X ROM Packs & Adapter
Vintage Casio Casiotone MT-31 Musical Keyboard
Vintage Casio Casiotone MT-520 Synthesizer Electronic Keyboard In Box, WORKING
Vintage Casio Casiotone MT-520 Synthesizer Electronic Keyboard, WORKING
Vintage Casio Casiotone CT 310 Keyboard
Vintage Casio Casiotone MT-100 Keyboard - Spares or Repairs
