Rath R11
Eb small-bore alto trombone · custom · current
Eb alto trombone; clear, ringing tone with stable tuning and easy transition from tenor.
| Type | alto |
|---|---|
| Key | Eb |
| Bore class | small |
| Bore size | .481/.491″ |
| Valve configuration | Straight (no valve) |
| Bell diameter | 6.75″ |
| Slide | nickel silver |
| Leadpipe | interchangeable |
| Finish | clear lacquer |
| Level | custom |
| Era | current |
| Country | England |
Features: Modular/build-to-order; two bore options R11Z (0.481"/0.491") and R11K (0.481"/0.500") with matched interchangeable Z/K leadpipes; bell 6.75" std or 7", yellow/gold/red brass or nickel silver; optional valve — Voigt open-wrap section, rotor in Eb/D or Eb/Bb, or trill-to-Bb convertible design; nickel-silver slide standard.