Conn 72H
Bb large-bore bass trombone · professional · vintage
Bell-tuning variant of the 70H single-valve bass; extended slide reaches low C, E-pull F slide for low B.
| Type | bass |
|---|---|
| Key | Bb |
| Bore class | large |
| Bore size | .562″ |
| Valve configuration | F attachment |
| Valves | 1 |
| Rotor type | traditional rotary |
| Wrap | closed wrap |
| Bell diameter | 9.5″ |
| Bell material | yellow brass |
| Bell construction | two-piece yellow-brass bell, shorter bell section |
| Slide | nickel-silver inner / gold-brass outer |
| Finish | clear lacquer |
| Weight | 4 lb 9 oz |
| Level | professional |
| Era | vintage |
| Country | USA |
| Years | 1955–1968 Elkhart |
Features: Bell-tuning (vs the 70H's slide tuning); longer slide and extended F tubing. Length 46.5".