The PortaSound PSR-48 uses the "DASSystem" which stands for Dual Architecture Synthesis System. When it was released, a keyboard based on waveform ROM was still a pretty new idea and Yamaha was in the process of transitioning from primarily using FM to using waveforms, so it included elements of both. It can be set to dual voice mode with two sounds playing at once. Polyphony is halved to 4 in that mode. The PSR-38 is a lower-end model with fewer rhythms.
Year Released: 1990
Keyboard: 61 keys
Polyphony: 8 notes
ROM: 100 sounds, 100 rhythms
Effects: sustain, ensemble
Dimensions: 958 mm x 365 mm x 123 mm
Weight: 6.6 kg
This keyboard is MIDI-enabled.
This keyboard has built-in 2.5-watt stereo speaker(s).
Batteries: D x 6
Power Supply Replacement for YAMAHA PSR-48 KEYBOARD ADAPTER UK 12V ($14.26)
Yamaha PSR 48 Arranger Keyboard Mid 80s - Black ($150)
Yamaha PSR-38 / PSR-48 61-Key Electronic Keyboard Late 1990's - Black ($20)
Yamaha Yamaha PSR-340 90s ($620.98)
Yamaha PSR-I500 61-Key Portable Keyboard with Indian Instrument Voices ($351.98)
Yamaha PSR-I500 Portable Keyboard ($399.99)
Yamaha PSR-E473 PORTABLE KEYBOARD ($321.24)
Yamaha PSR-I500 61-Key Portable Keyboard with Indian Instrument Voices(New) ($399.99)
Yamaha PSR-E373 61-key Portable Touch Sensitive Keyboard ($222.73)
TASTIERA YAMAHA PSR E463 ($433.70)
Yamaha Psr Ew310 Portable Keyboard With 76 Keys ($605.70)
Yamaha PSR-E473 Black è una tastiera digitale a 61 tasti con sistema touch response ($508.08)
Yamaha PSR-EW310 76-Key Portable Keyboard and Accessory Kit ($307.99)
Yamaha PSR-E463 Keyboard (New York, NY) ($349.99)
Yamaha PSR-EW300 76-Key Portable Keyboard | NO 12V POWER SUPPLY INCLUDED 2017 - Present - Black ($175)
Yamaha PSR-EW310 76-Key Portable Keyboard ($199.99)
Yamaha PSR-E373 61-Key Portable Keyboard Black ($219.99)
Yamaha PSR-E373 61-Key Portable Keyboard ($199.99)
Yamaha PSR E373 - Tastiera 61 tasti dinamici ($276.71)
Yamaha PSR-EW310AD Portable 76-Key Keyboard ($249.99)
Yamaha PSR-E473 61-Key Portable Keyboard ($369.99)
Yamaha PSR-I455 61-Key Pressure Sensitive Portable Keyboard - Grey ($465)
Yamaha PSR-E373 61-Key Portable Keyboard - Black ($179.99)
Yamaha PSR-E473 Portable Keyboard ($369.99)
Yamaha PSR-E473 61-Key Portable Keyboard 2021 - Present - Black ($263.35)
Yamaha PSR-E373 61-Key Portable Keyboard 2020 - Present - Black ($250)
Brand New Yamaha PSR-E373 Touch Sensitive 61 Key Portable Keyboard ($199.99)
Yamaha PSR 340 Arranger Keyboard ($550)
Yamaha PSR-E373 - 61-Key Portable Digital Keyboard ($222.73)
Yamaha PSR-E473 61-Key Portable Keyboard ($384.03)
Yamaha PSR-EW310 76-Key Portable Keyboard ($269.99)
Yamaha PSR-EW400 76-Key Portable Keyboard 2010s - Black ($300)
Yamaha PSR-EW310 Keyboard (Nashville, Tennessee) ($199.99)
Yamaha PSR-EW310 Keyboard (Cleveland, OH) ($199.99)
Yamaha PSR-EW310 76-Key Portable Keyboard ($319.99)
Yamaha PSR-EW310 76-Key Portable Keyboard with Power Adaptor - Black ($199.99)
Yamaha PSR-E473 61-Key Keyboard ($369.99)
Yamaha PSR-E463 61-Key Portable Keyboard ($247.26)
Yamaha PSR-E473 Portable Keyboard with Power Adapter ($369.99)
Yamaha PSR-E473 61-Key Portable Keyboard 2023 - Black ($384.03)
Yamaha PSR E473 - Tastiera 61 tasti dinamici ($448.84)
Yamaha PSR-E473 61-Note Portable Keyboard ($383.27)
Yamaha PSR-I500 61-Key Portable Keyboard 2023 - Black ($445.48)
Yamaha PSR E373 61 note Touch Response Keyboard ($327.87)
Yamaha PSR-E473 61-Key Portable Keyboard Black ($384.03)
Yamaha PSR-EW310 Keyboard (Nashville, Tennessee) ($199.99)
Yamaha PSR-I500 Portable Keyboard for Indian Music ($399.99)
Yamaha PSR-EW300 76-Key Portable Keyboard 2017 - Present - Black ($150)
Yamaha PSR-E373 61-Key Portable Keyboard ($222.73)
Yamaha PSR-E473 61-Key Touch-Sensitive Portable Keyboard ($369.99)
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