Helmut Voigt HV-A4
F small-bore alto trombone · professional · current
F alto, small bore, 6-inch bell, with valve giving C extension.
| Type | alto |
|---|---|
| Key | F |
| Bore class | small |
| Bore size | .455″ |
| Valve configuration | F attachment |
| Valves | 1 |
| Bell diameter | 6″ |
| Bell construction | one-piece, hand-hammered |
| Level | professional |
| Era | current |
| Country | Germany |
Features: Second valve with C extension
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