Conn 40H
Bb small-bore tenor trombone · professional · vintage
"Ballroom" small-bore dance/Dixieland tenor; focused, strongly projecting tone for outdoor and traditional-jazz work.
| Type | tenor |
|---|---|
| Key | Bb |
| Bore class | small |
| Bore size | .500″ |
| Valve configuration | Straight (no valve) |
| Bell material | yellow brass |
| Finish | lacquer or satin silver |
| Level | professional |
| Era | vintage |
| Country | USA |
| Years | 1925–1934 Elkhart |
Features: Tuning-in-the-slide (T.I.S.) design — tuning built into the handslide rather than the bell section.