EDITION RARE VINTAGE | CASIO PT-31 | ELECTRONIC MUSICAL À TOURS

- Year Released: 1983- Keyboard: 31 mini keys- Polyphony: monophonic- ROM: 8 sounds, 18 rhythms- Power Consumption: 1 watt- Dimensions: 415 mm x 143 mm x 40 mm- Weight: 1.0 kg including batteries- This keyboard has built-in 0.8-watt mono speaker(s).- Batteries: AA x 5– Advantage and Disadvantage• Disadvantage: The synthesis cartridge is not present/No Power Charger 9V• Advantage: The PT-50 (center) looks similar to the PT-30/31. The PT-50 adds ROM pack capacity, as well as writing to an optional RAM pack, in addition to the optional TA-1 tape adapter also available for the PT-30/31. There are also differences in the sounds, as well as on the LCD and some features, for example the rhythms / accompaniments section.