RY9
| Manufacturer | Yamaha |
| Function | Drum Machine |
| Produced | 1999 |
| Country | Japan |
| Form Factor | Desktop |
| Signal Path | Digital Hardware (including Analog Connections) |
| Dimensions | 188 x 104 x 33mm |
| Weight | 0.36 kg without batteries |
| Power | six AA batteries or a PA-3B 12-volt 700 mA power supply |
| Notes | Number of Pads: 12 Polyphony: 28 notes Preset Patterns: 200 User Patterns: 50 User Songs: 50 Preset Drumkits: 50 Tempo Range: 40 - 250 BPM ROM Size: 178 waveforms (128 drum, 50 instrument) |