Bach 2C vs Monette Unity D2
The Monette Unity D2 has a wider cup diameter.
Mouthpiece A
Bach 2C
• Trumpet
Cup diameter16.50 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 Unity D2
• Trumpet
Cup diameter17.00 mm
Cup depthMedium
Rim width—
Throat diameter3.66 mm
Backbore—
Finish—
Material—
Cup Diameter
The Monette Unity D2 has a cup diameter of 17.00 mm compared to 16.50 mm on the Bach 2C — a difference of +0.50 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.
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.