Year Released: 1981
Keyboard: 49 keys
Polyphony: 10 notes
ROM: 10 sounds, 8 rhythms
Effects: sustain
Power Consumption: 15 watts
Dimensions: 840 mm x 290 mm x 90 mm
Weight: 6.1 kg
This keyboard has built-in 5-watt mono speaker(s).
Batteries: D x 6
Yamaha PS-10 and PS-20 Manual (1 of 3)
Yamaha PS-10 and PS-20 Manual (2 of 3)
Yamaha PS-10 and PS-20 Manual (3 of 3)
Yamaha PS-20 ($304.54)
Yamaha PS-20 Portable Keyboard - w/ Original Chrome Stand [Rare] ($293.79)
Yamaha PS-20 Automatic Bass Chord System 1981 - White ($283.03)
Yamaha PS-20 Automatic Bass Chord System 1981 - White ($201.22)
Yamaha Portasound PS-25 ($90.57)
Vintage Yamaha PSS 20 PSS20 Mini Synthesizer Keyboard Portasound ($109.99)
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