Mack Brass TB831L
Bb/F/Gb/D large-bore bass trombone · professional · current
Budget-priced professional-model bass trombone with independent in-line valves
| Type | bass |
|---|---|
| Key | Bb/F/Gb/D |
| Bore class | large |
| Bore size | .562″ |
| Valve configuration | Double valves (independent / inline) |
| Valves | 2 |
| Rotor type | traditional rotary |
| Bell diameter | 9.5″ |
| Bell material | rose/gold brass |
| Finish | clear lacquer |
| Level | professional |
| Era | current |
| Price (MSRP) | $1,295 |
Features: Independent in-line rotary valve system; standard-weight hand slide; case and mouthpiece included; two-year warranty; 7-day trial
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