Tuba Gold Lacquer Key of bB Entry Model（ATTB200）
Product Description
| Tuba | ATTB200 |
| Key： | Bb |
| Material | Brass |
| Tuning slide | curpronicekel |
| Bell size | 425mm |
| Bore size | 19mm |
| finish | Gold lacquer |
| Tuba | ATTB200 |
| Key： | Bb |
| Material | Brass |
| Tuning slide | curpronicekel |
| Bell size | 425mm |
| Bore size | 19mm |
| finish | Gold lacquer |