Euphonium.
| Rim inside diameter (mm) | 26.7 | 26.4 | 26.2 | 25.9 | 25.75 | 25.5 | 25.4 |
|---|---|---|---|---|---|---|---|
| 3D | 3.5D | 4D | 4.5D | 5D | 5.5D | 6D | |
| Bach | 2G | 3G | 4G 4GB | 5G 5GL 5GB | 6½AL 6½AM 6½A |
||
| Schilke | 53 | 52E2 | 52 52D | 51 51C4 51D | 50 50C4 |
||
| Alliance | 2A Presitge 2 | 3A Presitge 3 | 4A Presitge 4 | ||||
| Denis Wick | SM3 SM3U SM3X SM3.5 | SM4 SM4U SM4X | SM5 SM5U | SM6 SM6U |
|||
| Hammond | 10 | 11 | 12 | 13 | |||
| Doug Elliot | 105 | 104 | 103 | 102 | 101 | 100 | |
| Kelly | 5G | 51D | |||||
| Warburton | 3G | 4GDL 4GD 4G | 5GDL 5GD 5G | ||||
| Yamaha | 55 | 54 | 53 | 52 | |||
| Perantucci | PT-7C PT-5C | PT-4C | |||||
| JK | 4A 4B 4C | 5A 5B 5C | 6A 6B 6C | 7A 7B 7C |