The PortaSound PS-1 was released at the same time as the PortaSound PS-2 and PortaSound PS-3 and is the low-end model of the line.
It's an analog keyboard that generates sound using filtered square waves.
Year Released: 1980
Keyboard: 32 mini keys
Polyphony: 8 notes
ROM: 4 sounds, 4 rhythms
Power Consumption: 6 watts
Dimensions: 43 cm x 14 cm x 6 cm
Weight: 1.2 kg
This keyboard has built-in 2-watt mono speaker(s).
Batteries: 6 x C
Yamaha PS-1 and PS-2 and PS-3 Manual
Vintage Yamaha PS-1 AC Power Adaptor Multi Voltage 220-240v 110-130v 80s ($61.06)
Genuine Yamaha PA-1 12V Power Supply for Keyboards and Audio ( PS PSS PSR VSS QY MK ) ($5)
Yamaha PSR-A5000 World Music Arranger Keyboard, In Stock, Buy from CA's #1 Yamaha Dealer NOW ! ($1,999.99)
Yamaha PSR-SX900 61-Key Arranger Workstation, In Stock & Shipping from CA's #1 Yamaha Dealer NOW ! ($2,299.99)
Yamaha PSS-130 Portasound Synthesizer c1987 Japan w/9V Power Supply *1/4" Output Mod* #NA ($29)
Yamaha PSR-E373 Portable Electronic Keyboard 61 keys Pack 1 ($347.45)
Yamaha PSR E273 Digital Keyboard Pack 1 ($253.54)
Yamaha DTX Stand for Multi-12/DTX Modules (MAT1 not incl.) ($131.99)
Yamaha PSR 22, year 1987, FM sounds, FM edit, 1 USER rhythm ($79.25)
YAMAHA PSR-16, 1988, FM sounds, FM edit, 1 USER rhythm ($90.57)
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