GR 67M
TrumpetIn Production
Specifications
| Brand | GR |
| Model | 67M |
| Instrument | Trumpet |
| Rim Diameter | 17.02 mm |
| Rim Width | medium |
| Rim Contour | gr-standard |
| Cup Depth | Medium |
| Cup Depth (mm) | — |
| Cup Shape | compu-balanced |
| Throat Diameter | 3.66 mm |
| Throat Drill # | — |
| Backbore | gr-optimized |
| Shank | standard |
| Material | brass |
| Finish | silver-plate |
| Weight | standard |
Recommended For
OrchestralAll Around
Special Features
- Compu Balanced
About This Mouthpiece
The GR 67M is a medium-cup Bb trumpet mouthpiece featuring a 17.02mm rim diameter and 3.66mm throat. It has a gr-optimized backbore, standard shank. Well-suited for orchestral and all-around playing. Notable features include compu balanced.
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