The Amati ABB 321 Tuba
BBb tuba, 4 valves, bore .640", bell 15.7", length 37.2", 4/4 size, weight 15 lbs, lacquer. An excellent student horn with a nice tone to it.
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Standard Features
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| Bell | 15.75" |
| Bore | .640" |
| Key | BBb |
| Valves | 4 top action, bottom spring piston valves |
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