Bach 3MV Commercial
TrumpetIn Production
Precision Specifications
RIM DIAMETER16.3 mm
CUP DEPTHMedium Shallow
THROAT ∅—
BACKBORE#56
SHANKstandard
CUP SHAPEV
Rim Width—
Rim Contour—
Throat Drill #27
Material—
Finish—
Weightheavy
Recommended For
LeadCommercial
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Special Features
- Commercial
- Comfort Rim
- #56 Backbore
Reference Notes
Commercial modified-V profile on Bach 3-size rim. Use these measurements as a comparison starting point: fit and response still depend on the player, dental structure, instrument receiver, and each manufacturer's measuring method.
Brand Deep Dive
Bach · BrassFit Science
Bach Mouthpiece Guide
Decode the Bach number–letter naming system, cup depth spectrum, and Big Three models.