The PSR-4600 is based on 12-bit AWM waveforms and 2-operator FM synthesis. It was released around the same time as the Yamaha SY22, SY35, and TG33 synthesizers and has a similar voice architecture. Instead of the standard pitch and modulation wheels, it has roll bars on the front, below the keyboard. It is nearly identical to the Yamaha PSR-4500, but has a slightly different set of built-in sounds and rhythms.
Year Released: 1990
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-4600 Manual (1 of 3)
Yamaha PSR-4600 Manual (2 of 3)
Yamaha PSR-4600 Manual (3 of 3)
Yamaha Portatone PSR-4600 Service Manual [Three Wave Music] ($20)
Power Supply Replacement for YAMAHA PSR-4600 KEYBOARD ADAPTER UK 12V ($14.39)
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