The PSR-640 is a higher-end home keyboard from the late 1990s.
Year Released: 1999
Keyboard: 61 keys with velocity
Polyphony: 32 notes
Preset Patches: 703
Preset Drum Kits: 12
ROM: 703 sounds (480 XG, 223 internal), 160 rhythms
Dimensions: 973 mm x 399 mm x 161 mm
Weight: 10 kg
This keyboard is MIDI-enabled.
This keyboard has built-in 6-watt stereo speaker(s).
Yamaha PSR-640 and PSR-740 Manual
Yamaha PSR-640 Music Workstation ($599.99)
Power Supply Replacement for YAMAHA PSR-640 KEYBOARD ADAPTER UK 12V ($14.83)
YAMAHA PSR Series 5-Black Keyboard Keys Group PSR-540/550//640/740/900/1000/1500.. ($9.99)
YAMAHA - PSR-530/640/GX76 - Pitch Bend Potentiometer ($9.90)
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