S7704 Brass Section
| Manufacturer | Yamaha |
| Function | Accessory |
| Produced | 1990 |
| Country | Japan |
| Form Factor | Part |
| Signal Path | Digital Hardware (including Analog Connections) |
| Notes | SY/TG77 Series |
| Manufacturer | Yamaha |
| Function | Accessory |
| Produced | 1990 |
| Country | Japan |
| Form Factor | Part |
| Signal Path | Digital Hardware (including Analog Connections) |
| Notes | SY/TG77 Series |