Bach 2½C vs Monette Cornet D8 FL
The Bach 2½C has a wider cup diameter, the Bach 2½C features a deeper cup.
Mouthpiece A
Bach 2½C
• Cornet
Cup diameter16.40 mm
Cup depthMedium
Rim width—
Throat diameter3.66 mm
Backbore—
Finish—
Material—
Best suited for
All-round versatile — balanced cup for general playing
vs
Mouthpiece B
Monette Cornet D8 FL
• Cornet
Cup diameter15.90 mm
Cup depthShallow
Rim width—
Throat diameter3.66 mm
Backbore—
Finish—
Material—
Best suited for
Lead / commercial — shallow cup for brightness and range
Cup Diameter
The Bach 2½C has a cup diameter of 16.40 mm compared to 15.90 mm on the Monette Cornet D8 FL — a difference of +0.50 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bach 2½C has a medium cup while the Monette Cornet D8 FL has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
Throat diameters are essentially identical at 3.66 mm, so resistance feel will be comparable.
Which is better?
Neither mouthpiece clearly dominates the other — the right choice depends on your embouchure, playing style, and the sound you're after. Try both if possible.