Bach 3E vs Monette Unity E4-7
The Bach 3E has a wider cup diameter, the Monette Unity E4-7 features a deeper cup.
Mouthpiece A
Bach 3E
• Trumpet
Cup diameter16.30 mm
Cup depthShallow
Rim width—
Throat diameter3.66 mm
Backbore—
Finish—
Material—
vs
Mouthpiece B
Monette Unity E4-7
• Trumpet
Cup diameter16.20 mm
Cup depthMedium
Rim width—
Throat diameter3.66 mm
Backbore—
Finish—
Material—
Best suited for
All-round versatile — balanced cup for general playing
Cup Diameter
The Bach 3E has a cup diameter of 16.30 mm compared to 16.20 mm on the Monette Unity E4-7 — a difference of +0.10 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Monette Unity E4-7 has a medium cup while the Bach 3E 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.