Like its brother, the Yamaha PSR-4600, the PSR-4500 is based on 12-bit PCM waveforms and 2-operator FM synthesis. It came out around the same time as the Yamaha SY22, SY35, and TG33 synthesizers and has a similar voice architecture. Rather than having standard pitch and modulation wheels, it has roll bars on the front that control modulation effects.
Year Released: 1989
Keyboard: 61 keys
ROM: 100 sounds, 100 rhythms
Dimensions: 1221 mm x 392 mm x 146 mm
Weight: 8.8 kg
This keyboard is MIDI-enabled.
This keyboard has built-in 8-watt stereo speaker(s).
Batteries: D x 6
Yamaha PSR-4500 Manual (1 of 2)
Yamaha PSR-4500 Manual (2 of 2)
Yamaha PSR-4500 PortaSound 80s PCM/FM Synthesizer Workstation w/ MIDI ($555.77)
Yamaha Portatone PSR-4500 / X4500 Service Manual [Three Wave Music] ($20)
Yamaha PSR-4500 Keyboard 1980s - Black ($406.10)
Yamaha PSR-4500 FM Synthesizer 1989 Flagship RARE ($699)
Power Supply Replacement for YAMAHA PSR-4500 KEYBOARD ADAPTER UK 12V ($10.93)
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