Bach 2
TrumpetIn Production
Precision Specifications
RIM DIAMETER16.5 mm
CUP DEPTH11 mm
THROAT ∅3.66 mm
BACKBOREmedium
SHANKstandard
CUP SHAPEbowl
Rim Widthmedium
Rim Contourmedium
Throat Drill #—
Materialbrass
Finishsilver-plate
Weightstandard
Recommended For
Orchestral
Player Reviews
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Based on 1 player-submitted rating; BrassFit does not assign default scores.
5.0Resistance
5.0Rim Comfort
5.0Rim Bite
5.0Brightness
5.0Tone Focus
5.0Articulation
5.0Flexibility
5.0Endurance
Player Notes1 review
Anonymous Brass PlayerSep 4, 2026
Quick player rating only.
Reference Notes
The Bach 2 is a deep-cup Bb trumpet mouthpiece featuring a 16.5mm rim diameter and 3.66mm throat. It has a medium backbore, standard shank. Well-suited for orchestral playing. 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.
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Brand Deep Dive
Bach · BrassFit Science
Bach Mouthpiece Guide
Decode the Bach number–letter naming system, cup depth spectrum, and Big Three models.