The PT-20 has auto-accompaniment with 9 different chords.
Year Released: 1982
Keyboard: 29 keys
ROM: 7 sounds, 17 rhythms
Power Consumption: 1 watt
Dimensions: 345 mm x 95 mm x 31.7 mm
Weight: 596 g
This keyboard has built-in 0.5-watt mono speaker(s).
Batteries: AA x 5
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