Detailed specifications for the Bach trumpet mouthpiece line. Compare cup depth, rim diameter, throat, backbore, and intended use across models.
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Bach Commercial Trumpet Mouthpieces
| Model No. | Throat | Backbore | Depth of Cup | Approx. Cup Dia. | Rim Shape | Description |
|---|---|---|---|---|---|---|
| 3MV | #27 (.144") | #56 | Modified V | 16.87mm | Modified comfort rim with a flatter top | Commercial Mouthpiece |
| 3S | #27 (.144") | #56 | Shallow | 16.64mm | Modified comfort rim with a flatter top | Commercial Mouthpiece |
| 5MV(Comm.) | #27(.144") | #56 | Modified V | 16.54mm | Modified comfort rim with a flatter top | Commercial Mouthpiece |
| 5S | #27(.144") | #56 | Shallow | 16.31mm | Modified comfort rim with a flatter top | Commercial Mouthpiece |
| 7MV | #27(.144") | #56 | Modified V | 16.23mm | Modified comfort rim with a flatter top | Commercial Mouthpiece |
| 7S | #27(.144") | #56 | Shallow | 16.00mm | Modified comfort rim with a flatter top | Commercial Mouthpiece |
| 10 1/2MV | #27(.144") | #56 | Modified V | 15.34mm | Modified comfort rim with a flatter top | Commercial Mouthpiece |
| 10 1/2S | #27(.144") | #56 | Shallow | 15.11mm | Modified comfort rim with a flatter top | Commercial Mouthpiece |
Specifications sourced from manufacturer published data. For corrections, please contact us.