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Yamaha SY55

Music Workstation

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Yamaha SY55
Yamaha SY55
350.00 street price

The Yamaha SY55 is a digital synthesizer and tone module released by Yamaha in 1992. It features a 61-key velocity-sensitive keyboard, 64-voice polyphony, and a wide range of sounds and effects. It is capable of producing a variety of sounds, including acoustic and electric pianos, organs, strings, brass, and drums. It also features a built-in sequencer and arpeggiator.

Tags: digital synthesizer

Country of origin / production: Japan

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More info
Usage area
Multi Timbral Capacity16 part(s)
Tone Generator / Sound Synthesis
AWM2 (Advanced Wave Memory 2) 
Oscillators per voice4
Waveform/ Spectral form (main generator): Waveform ROM74 Mb
Programs/ Voices/ Timbres
Single Voice Preset64
User-defined Single Voice64
Multitimbral Preset16
User-defined Multitimbral16
Effects overall34
Tracks count8
Step Sequencer 
Sequencer Resolution48 ppqn
Note Capacity8000
Max number of songs8
Preset patterns100
MIDI in/ out
Type Synth Action
Velocity Sensitivity 
Initial Touch 
Number of Keys61
Display type TFT
Built-in controllers
Pitch Bend Wheel 
Modulation Wheel 
Jog dial 
External controllers
Breath Controller 
Sustain foot pedal 
Expression foot pedal 
Audio out
Analogue: 1/4" (6.35mm)1
Analogue: 1/4" (6.35mm) headphones preamplified1
Preset Memory Slot/ Wave Expansion Board2
Voltage 220V
Voltage 240V
Voltage 120V
Power Supply Built-in, internal
Power consumption15 W
Height90 mm
Width911 mm
Depth325 mm
Weight9.7 kg
Case/ body
Production start1990
Production ended

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  • enpdf1.15Mb Yamaha SY55 MIDI Data Format
  • enpdf5.26Mb Yamaha SY55 Operating Manual Part 1
  • enpdf3.45Mb Yamaha SY55 Operating Manual Part 2