The PT-50 has a ROM pack slot but lacks key lighting. It uses an NEC D1868G CPU.
Year Released: 1983
Keyboard: 31 mini keys
Polyphony: monophonic
Preset Patches: 8
ROM: 16 rhythms
Sequencer Memory: 1000 notes
Power Consumption: 1.4 watts
Dimensions: 415 mm x 143 mm x 46.5 mm
Weight: 1.1 kg including batteries
This keyboard has built-in 0.8-watt mono speaker(s).
Batteries: AA x 5
Casio PT-12 ($130)
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