YS100
| Manufacturer | Yamaha |
| Function | Synthesizer |
| Produced | 1988 |
| Country | Japan |
| Form Factor | Keyboard |
| Signal Path | Digital Hardware (including Analog Connections) |
| Notes | The YS100 is a 4-operator FM synthesizer with 8 algorithms available. Keyboard: 61 keys Polyphony: 16 notes Multitimbral: 8 parts Preset Patches: 100 User Patches: 100 |