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 ($120.10)
Yamaha PSS-9 PortaSound – Boxed, Complete with Manuals & Music Sheets ($64.42)
Power Supply Replacement for YAMAHA PSS-9 KEYBOARD ADAPTER UK 12V ($11.67)
Yamaha PSS-470 Synthesizer 1987 - Black ($133.44)
Yamaha PSS-270 - FM Keyboard - Manual Included - Tested ($241.41)
Yamaha PSS-270 - FM Keyboard - Boxed - Tested ($277.80)
Yamaha PSS-470 Classic FM Synthesizer Keyboard (SoundBlaster, SEGA, 460) ($110)
Yamaha PortaSound PSS-570 Multi-Programmable Keyboard ($363.93)
Yamaha PSS-390 Mini FM Synthesizer // FREE GIFT for VINTAGE MOTEL CUSTOMERS ($121.31)
Yamaha PSS-460 FM Synthesizer Keyboard (SEGA, YM3812, 470) ($110)
Yamaha PSS-270 Synthesizer 1986 - Black ($120.09)
Yamaha PSS-470 Synthesizer 1987 ($97.05)
Yamaha-PSR 413 ($82)
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