Bob Reeves 42/B/s vs Monette Unity E2-7
The Monette Unity E2-7 has a wider cup diameter, the Bob Reeves 42/B/s features a deeper cup.
Mouthpiece A
Bob Reeves 42/B/s
• Trumpet
Cup diameter16.67 mm
Cup depthVery deep
Rim width—
Throat diameter—
Backbores
Finish—
Material—
vs
Mouthpiece B
Monette Unity E2-7
• Trumpet
Cup diameter17.00 mm
Cup depthMedium
Rim width—
Throat diameter3.66 mm
Backbore—
Finish—
Material—
Cup Diameter
The Monette Unity E2-7 has a cup diameter of 17.00 mm compared to 16.67 mm on the Bob Reeves 42/B/s — a difference of +0.33 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bob Reeves 42/B/s has a very deep cup while the Monette Unity E2-7 has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
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.