Rath R4
Bb large-bore tenor trombone · custom · current
Large-bore (.547") straight Bb tenor for brass band, wind band, orchestral and solo use.
| Type | tenor |
|---|---|
| Key | Bb |
| Bore class | large |
| Bore size | .547″ |
| Valve configuration | Straight (no valve) |
| Bell diameter | 8.5″ |
| Bell material | yellow brass |
| Slide | yellow brass |
| Leadpipe | interchangeable |
| Finish | clear lacquer |
| Level | custom |
| Era | current |
| Country | England |
Features: Modular/build-to-order; bell yellow/gold/red brass or nickel silver in std/light/heavy; slide in yellow brass, nickel silver or bronze; interchangeable leadpipe (4 materials, 5 sizes, focused/open tapers); brushed/colored/uncoated finishes. Also marketed in some markets as R400.