Il n'existe pas de table de conversion fiable. Comparez par les dimensions, pas par les noms.
Par Laurent Jammes, trompettiste et enseignant.
Les nombres vont en sens inverse : chez Bach, 1 est le plus grand ; chez Yamaha, 18. Les lettres aussi : A désigne une cuvette très profonde chez Bach, peu profonde chez Yamaha. Et les diamètres ne sont pas mesurés de la même manière. Voir lire une référence.
| Bach | Diamètre | Yamaha à essayer |
|---|---|---|
| Bach 1C | 17,00 mm | Yamaha 16C4 (17,00 mm), Yamaha 15C4 (16,98 mm), Yamaha Eric Aubier (TR-AUBIER) (17,03 mm) |
| Bach 1 1/4C | 17,00 mm | Yamaha 16C4 (17,00 mm), Yamaha 15C4 (16,98 mm), Yamaha Eric Aubier (TR-AUBIER) (17,03 mm) |
| Bach 1 1/2C | 17,00 mm | Yamaha 16C4 (17,00 mm), Yamaha 15C4 (16,98 mm), Yamaha Eric Aubier (TR-AUBIER) (17,03 mm) |
| Bach 2 1/2C | 16,40 mm | Yamaha 11C4 (16,46 mm), Yamaha 11 (16,32 mm), Yamaha 13C4 (16,50 mm) |
| Bach 3B | 16,30 mm | Yamaha 11 (16,32 mm), Yamaha 9C4 (16,28 mm), Yamaha 8C4 (16,19 mm) |
| Bach 3C | 16,30 mm | Yamaha 11 (16,32 mm), Yamaha 9C4 (16,28 mm), Yamaha 8C4 (16,19 mm) |
| Bach 3CW | 16,30 mm | Yamaha 11 (16,32 mm), Yamaha 9C4 (16,28 mm), Yamaha 8C4 (16,19 mm) |
| Bach 3D | 16,30 mm | Yamaha 11B4 (16,46 mm), Yamaha 11 (16,32 mm), Yamaha 9C4 (16,28 mm) |
| Bach 3E | 16,30 mm | Yamaha 7A4 (16,24 mm), Yamaha 11A5 (16,38 mm), Yamaha 13A4a (16,20 mm) |
| Bach 3F | 16,30 mm | Yamaha 7A4 (16,24 mm), Yamaha 11A5 (16,38 mm), Yamaha 13A4a (16,20 mm) |
| Bach 5B | 16,25 mm | Yamaha 9C4 (16,28 mm), Yamaha 8C4 (16,19 mm), Yamaha 11 (16,32 mm) |
| Bach 5C | 16,25 mm | Yamaha 9C4 (16,28 mm), Yamaha 8C4 (16,19 mm), Yamaha 11 (16,32 mm) |
| Bach 5MV | 16,25 mm | Yamaha 9C4 (16,28 mm), Yamaha 8C4 (16,19 mm), Yamaha 11 (16,32 mm) |
| Bach 5SV | 16,25 mm | Yamaha 7A4 (16,24 mm), Yamaha 13A4a (16,20 mm), Yamaha 11A5 (16,38 mm) |
| Bach 6B | 16,20 mm | Yamaha 8C4 (16,19 mm), Yamaha 9C4 (16,28 mm), Yamaha 11 (16,32 mm) |
| Bach 6BM | 16,20 mm | Yamaha 8C4 (16,19 mm), Yamaha 9C4 (16,28 mm), Yamaha 11 (16,32 mm) |
| Bach 6C | 16,20 mm | Yamaha 8C4 (16,19 mm), Yamaha 9C4 (16,28 mm), Yamaha 11 (16,32 mm) |
| Bach 7B | 16,20 mm | Yamaha 8C4 (16,19 mm), Yamaha 9C4 (16,28 mm), Yamaha 11 (16,32 mm) |
| Bach 7BW | 16,20 mm | Yamaha 8C4 (16,19 mm), Yamaha 9C4 (16,28 mm), Yamaha 11 (16,32 mm) |
| Bach 7C | 16,20 mm | Yamaha 8C4 (16,19 mm), Yamaha 9C4 (16,28 mm), Yamaha 11 (16,32 mm) |
| Bach 7CW | 16,20 mm | Yamaha 8C4 (16,19 mm), Yamaha 9C4 (16,28 mm), Yamaha 11 (16,32 mm) |
| Bach 7D | 16,20 mm | Yamaha 7B4 (16,08 mm), Yamaha 13A4a (16,20 mm), Yamaha 8C4 (16,19 mm) |
| Bach 7DW | 16,20 mm | Yamaha 7B4 (16,08 mm), Yamaha 13A4a (16,20 mm), Yamaha 8C4 (16,19 mm) |
| Bach 7E | 16,20 mm | Yamaha 13A4a (16,20 mm), Yamaha 7A4 (16,24 mm), Yamaha 11A5 (16,38 mm) |
| Bach 7EW | 16,20 mm | Yamaha 13A4a (16,20 mm), Yamaha 7A4 (16,24 mm), Yamaha 11A5 (16,38 mm) |
| Bach 8B | 16,20 mm | Yamaha 8C4 (16,19 mm), Yamaha 9C4 (16,28 mm), Yamaha 11 (16,32 mm) |
| Bach 8C | 16,20 mm | Yamaha 8C4 (16,19 mm), Yamaha 9C4 (16,28 mm), Yamaha 11 (16,32 mm) |
| Bach 8 1/2B | 16,10 mm | Yamaha 8C4 (16,19 mm), Yamaha 9C4 (16,28 mm) |
| Bach 8 1/2C | 16,10 mm | Yamaha 8C4 (16,19 mm), Yamaha 9C4 (16,28 mm), Yamaha 7B4 (16,08 mm) |
| Bach 8 3/4C | 16,10 mm | Yamaha 8C4 (16,19 mm), Yamaha 9C4 (16,28 mm), Yamaha 7B4 (16,08 mm) |
| Bach 9B | 16,05 mm | Yamaha 8C4 (16,19 mm) |
| Bach 9C | 16,05 mm | Yamaha 8C4 (16,19 mm), Yamaha 7B4 (16,08 mm) |
| Bach 9D | 16,05 mm | Yamaha 7B4 (16,08 mm), Yamaha Eric Miyashiro EM1 MK2 (TR-EM1-MK2) (16,02 mm), Yamaha 8C4 (16,19 mm) |
| Bach 10B | 16,00 mm | Yamaha 8C4 (16,19 mm) |
| Bach 10C | 16,00 mm | Yamaha 8C4 (16,19 mm), Yamaha 7B4 (16,08 mm) |
| Bach 10 1/2C | 15,90 mm | Yamaha 7B4 (16,08 mm) |
| Bach 10 1/2CW | 15,90 mm | Yamaha 7B4 (16,08 mm) |
| Bach 10 1/2D | 15,90 mm | Yamaha 7B4 (16,08 mm), Yamaha 5A4 (15,90 mm), Yamaha 6A4a (15,90 mm) |
| Bach 10 1/2DW | 15,90 mm | Yamaha 7B4 (16,08 mm), Yamaha 5A4 (15,90 mm), Yamaha 6A4a (15,90 mm) |
| Bach 10 1/2E | 15,90 mm | Yamaha 5A4 (15,90 mm), Yamaha 6A4a (15,90 mm), Yamaha Eric Miyashiro EM1 MK2 (TR-EM1-MK2) (16,02 mm) |
| Bach 10 1/2EW | 15,90 mm | Yamaha 5A4 (15,90 mm), Yamaha 6A4a (15,90 mm), Yamaha Eric Miyashiro EM1 MK2 (TR-EM1-MK2) (16,02 mm) |
| Bach 10 3/4EW | 15,75 mm | Yamaha 5A4 (15,90 mm), Yamaha 6A4a (15,90 mm) |
| Bach 11D | 15,70 mm | Yamaha 5A4 (15,90 mm), Yamaha 6A4a (15,90 mm) |
| Bach 11DW | 15,70 mm | Yamaha 5A4 (15,90 mm), Yamaha 6A4a (15,90 mm) |
| Bach 11EW | 15,70 mm | Yamaha 5A4 (15,90 mm), Yamaha 6A4a (15,90 mm) |