Year Released: 1990
Keyboard: 61 keys
ROM: 10 sounds, 16 rhythms
Effects: sustain
Dimensions: 982 mm x 291 mm x 112 mm
Weight: 4.5 kg
This keyboard has built-in 2.5-watt mono speaker(s).
Batteries: D x 6
Yamaha Portatone PSR-28 Service Manual [Three Wave Music] ($12)
Power Supply Replacement for YAMAHA PSR-28 KEYBOARD ADAPTER UK 12V ($14.53)
Yamaha - PSR-E283 - Beginner Portable Keyboard - 61-Key - Black ($149.99)
Yamaha PSR-E283 61-Key Entry-Level Portable Keyboard ($149.99)
Yamaha PSR-510 1993 - Black ($189.87)
Yamaha PSRE283 61-Key Portable Keyboard ($149.99)
Yamaha PSRE283 61-Key Entry-level Portable Keyboard ($149.99)
Yamaha PSRE283 61-Key Portable Keyboard with Power Adapter ($149.99)
Yamaha PSRE283 61-Key Portable Keyboard - With AC Adapter ($149.99)
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