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 Automatic Bass Chord System 1981 - White ($157.13)
Yamaha PS-20 Portable Keyboard - w/ Original Chrome Stand [Rare] ($286.77)
Yamaha PS-20 Automatic Bass Chord System 1981 - White ($183.32)
Yamaha PS-20 80s Euro and US power supplies ($220)
Yamaha PS-20 ($302.27)
Yamaha PS-20 Automatic Bass Chord System 1981 - White ($250)
Yamaha PS-20 Automatic Bass Chord System 1981 - White ($190)
Yamaha PS-20 Automatic Bass Chord System Analog Synthesizer ($199)
Yamaha PSS-20 PortaSound Service Manual 1989 ($15)
Yamaha Pss-20 1989 White ($50)
Vintage Yamaha PSS 20 PSS20 Mini Synthesizer Keyboard Portasound ($109.99)
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