Detailed specifications for the Schilke tuba mouthpiece line. Compare cup depth, rim diameter, throat, backbore, and intended use across models.
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| Model | Diameter | Throat | Description | Millim. | Inches | Concert Series |
|---|---|---|---|---|---|---|
| 62 | 31.85 | 1.254" 1-7/32" | 21/64.3281" | (Formerly Model "A") A superior standard mouthpiece with a good centered sound, easy response, both high and low, and good intonation. Also good for the Eb or F tuba. | ||
| 66 | 31.52 | 1.241" 1-15/16" | 21/64.3281" | Designed from the original Helleberg in our collections. It has excellent rich tone quality of enormous volume, preferred by the professional artist. | ||
| 67 | 32.41 | 1.276" 1-9/32" | 21/64.3281" | (Formerly Model "H") Similar to the foregoing Helleberg model, but a bit larger. The contours are the same as #66 - excellent rich tone, sonorous low register. | ||
| 69C4 | 32.76 | 1.290" 1-19/64" | 21/64.3281" | This mouthpiece was developed for a prominent West Coast tuba player. It has a very comfortable rim with a cup that is not too deep. The results of this combination form a mouthpiece hat has an excellent characteristic sound, and facilitates all registers of the instrument. | ||
| S-H | 31.84 | 1.253" 1-1/4" | M.295" | This model is an adaptation of another original Helleberg with a rim contours slightly different from the one that was used for our #66. This mouthpiece has a sound that is both clear and dark. | ||
| SH-II | 32.76 | 1.290 | O.316" | The "Helleberg SHII" is made along the same lines as the 66,67, and standard Helleberg. It has the same Helleberg-style cup shape with the same inside diameter as the 69C4 (32.76 mm), a slightly tighter throat and standard backbore. | ||
| SH-IIF | 32.76 | 1.290 | O.316" | The "Helleberg SH-IIF" has the same rim as the Helleberg SH-II but with a shallower bowl-shaped cup to accommodate the smaller F tuba. The throat is smaller than the SH-II. The backbore is slightly larger, similar to a Schmitt shape that opens up quicker under the throat to reduce resistance. | ||
| SHII-CLE | 33.27 | 1.310 | O.323" | **NEW** Developed working with Yasuhito Sugiyama, Principal Tuba of the Cleveland Orchestra, the SHII-CLE features a design which is a modification of the classic SHII. A larger inner diameter, slightly deeper cup, larger throat, and subtly lighter weight combine to offer a vibrant & colorful tone with quick response.. | ||
| GEIB | 32.76 | 1.290 | 5/16.3125" | The Geib model has the same inside diameter as the Helleberg SH-II with a modified rim contour. The Geib cup is more bowl-shaped and slightly shallower than the SH-II. The entrance to the throat is tighter yet it shares the same throat size as the SH-II with a standard backbore. |
Specifications sourced from manufacturer published data. For corrections, please contact us.