Detailed specifications for the Bach tuba mouthpiece line. Compare cup depth, rim diameter, throat, backbore, and intended use across models.
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Bach Standard Tuba
| Model No. | Depth of Cup | Approx. Cup Dia. | Rim Shape | Description |
|---|---|---|---|---|
| 7 | Medium | 33.25mm | Medium Wide | A large mouthpiece with full, lively tone and a splendid low register, for players with a strong embouchure. Recommended for large-bore instruments. |
| 12 | Medium | 32.75mm | Medium Wide | Fairly large diameter, producing a big, vivid tone. |
| 18 | Medium | 32.10mm | Medium wide | Our best selling mouthpiece for all-around work. Has an even register and substantial tone of excellent carrying power. |
| 22 | Medium | 31.60mm | Medium wide | Slightly smaller than No. 18. Recommended for use in school bands. |
| 24W | Medium | 31.25mm | Wide, well rounded. | A versatile mouthpiece with lively tone, suitable for school bands. |
| 24AW | Deep | 31.25mm | Wide, well rounded. | An excellent mouthpiece whenever a sonorous, dark tone quality of enormous volume is desirable. |
| 25 | Medium | 30.60mm | Medium wide | A fairly small mouthpiece suitable for young students. |
| 30E | Medium shallow | 30.00mm | Medium wide | A small mouthpiece requiring little volume of air. For the young student with a small mouth. |
| 32E | Medium shallow | 29.50mm | Medium wide | A small mouthpiece for the lightweight bass horn, or for the less robust player seeking a robust tone. |
Specifications sourced from manufacturer published data. For corrections, please contact us.