Willson 311TA
Bb / F medium-bore tenor trombone · professional · current
Small/medium-bore Bb/F tenor trombone with ROTAX rotor
| Type | tenor |
|---|---|
| Key | Bb / F |
| Bore class | medium |
| Bore size | .525″ |
| Valve configuration | F attachment |
| Valves | 1 |
| Rotor type | ROTAX |
| Bell diameter | 8.26″ |
| Bell material | yellow brass or red brass |
| Slide | nickel silver (outer), chromium-coated (inner) |
| Finish | clear lacquer or silver plate |
| Level | professional |
| Era | current |
| Country | Switzerland |
Features: ROTAX rotor with Rotohead system; compensated flow geometry (100% air flow); adjustable joint system; new slide-stop design; slide can be dismounted or soldered
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