Detailed specifications for the Yamaha trumpet mouthpiece line. Compare cup depth, rim diameter, throat, backbore, and intended use across models.
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Yamaha Trumpet, Gold Plated Series
| Model No. | Inner Rim Diam. (mm) | Rim Contour/ Thickness | Cup Depth | Throat (mm) | Back-bore | Playing Characteristics |
|---|---|---|---|---|---|---|
| 7A4-GP | 16.24 | semi-flat/ thick | shallow | No. 273.65 | narrow | Relatively small inner rim diameter, but still flexible. Perfect for piccolo or lead trumpet. |
| 8C4-GP | 16.19 | semi-flat/ standard | standard | No. 273.65 | semi- narrow | Good for all around playing, including solos. Combines an extended high range with rich lows. |
| 11B4-GP | 16.46 | semi-flat/ standard | semi- shallow | No. 273.65 | semi- narrow | A somewhat shallow cup and medium rim for extra endurance. Brilliant tone. Suitable for D, E b , and piccolo trumpets. |
| 14A4a-GP | 16.68 | semi-flat/ semi-thick | shallow | No. 273.65 | semi- narrow | Fast-response high range and powerful sound. Ideal for piccolo or lead trumpet. |
| 14B4-GP | 16.85 | semi-flat/ standard | semi- shallow | No. 273.65 | semi- narrow | Relatively large rim diameter and shallow cup. Outstanding overall balance for all musical genres. |
| 14C4-GP | 16.88 | semi-flat/ standard | standard | No. 273.65 | semi- narrow | Rim designed for outstanding facility and flexibility. Popular in ensembles and orchestras. Can produce high volume. |
| 16C4-GP | 17.0 | semi-flat/ standard | standard | No. 273.65 | semi- narrow | Large rim and medium cup for easy playability over a wide range. High volume. Excellent for symphony orchestra players. |
| 17C4-GP | 17.3 | semi-flat/ standard | standard | No. 273.65 | semi- narrow | Deeper cup than the 17B4. Powerful, dark sound. A popular choice with symphony orchestra players. |
Specifications sourced from manufacturer published data. For corrections, please contact us.