The PSS-9 uses PCM waveforms for sound generation.
Year Released: 1990
Keyboard: 32 mini keys
Polyphony: 8 notes
ROM: 100 sounds, 19 rhythms, 13 songs
Dimensions: 498 mm x 170 mm x 64 mm
Weight: 1.1 kg
This keyboard has built-in 0.6-watt mono speaker(s).
Batteries: AA x 6
Yamaha PSS-9 and PSS-16 Manual
Yamaha PortaSound PSS-9 Service Manual and PSS-9 B Service Manual [Three Wave Music] ($12)
Yamaha PSS-9 - Portable FM Keyboard - Boxed - Manual Included - Tested ($117.42)
Yamaha PSS-9 PortaSound – Boxed, Complete with Manuals & Music Sheets ($62.98)
Power Supply Replacement for YAMAHA PSS-9 KEYBOARD ADAPTER UK 12V ($11.45)
Yamaha PortaSound PSS-570 Multi-Programmable Keyboard ($355.81)
Yamaha PSS-390 Mini FM Synthesizer // FREE GIFT for VINTAGE MOTEL CUSTOMERS ($118.60)
Yamaha PSS-270 - FM Keyboard - Boxed - Tested ($236.02)
Yamaha PSS-270 - FM Keyboard - Manual Included - Tested ($212.30)
Yamaha PSS-470 Classic FM Synthesizer Keyboard (SoundBlaster, SEGA, YM3812, 460) ($120)
Yamaha PSS-270 Synthesizer 1986 - Black ($117.36)
Yamaha PSS-570 FM Synthesizer Keyboard - In Open Box ( YM3812 Soundblaster SEGA 560 ) ($160)
Yamaha PSS-470 Classic FM Synthesizer Keyboard in Open Box (SoundBlaster, SEGA, 460) ($150)
Yamaha-PSR 413 ($82)
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