Bach BTB411
Bb/F large-bore tenor trombone · intermediate · current
Intermediate/step-up large-bore tenor with open-wrap F attachment; professional features at an affordable price
| Type | tenor |
|---|---|
| Key | Bb/F |
| Bore class | large |
| Bore size | .547″ |
| Valve configuration | F attachment |
| Valves | 1 |
| Rotor type | traditional rotary |
| Wrap | open wrap |
| Bell diameter | 8.5″ |
| Bell material | yellow brass |
| Slide | chrome-plated nickel silver inner tubes; yellow brass outer slide |
| Finish | clear lacquer |
| Level | intermediate |
| Era | current |
Features: Silver-plated variant sold as BTB411S (collapsed here); includes Bach 6-1/2AL mouthpiece and backpack case