The Yamaha SY55 Music Synthesizer features second-generation 16-bit AWM2 technology, a versatile 1, 2, or 4-element voice architecture, and a sophisticated dynamic filter system. It includes 74 waveform samples in ROM, 64 preset voices, and 64-voice internal RAM memory, allowing for extensive sample layering and programmable dynamic timbre variation.
| Voice Architecture | 1, 2, or 4-element |
|---|---|
| ROM Waveforms | 74 |
| Preset Voices | 64 |
| Internal RAM Memory | 64-voice |
| Multi-play Mode | up to 16 voices |
| Effects | 34 programmable |
The backup battery should last for approximately 5 years.
A specific display will appear on the SY55 screen when the power is turned ON.
No, you should not attempt to replace the backup battery yourself; it must be done by qualified Yamaha service personnel.