Bob Reeves 43/S/s vs Monette Cornet C4LVS
The Bob Reeves 43/S/s has a wider cup diameter, the Monette Cornet C4LVS features a deeper cup.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bob Reeves 43/S/s
• Cornet
Cup diameter17.07 mm / 0.6720 in
vs
Mouthpiece B
Monette Cornet C4LVS
• Cornet
Cup diameter16.20 mm / 0.6378 in
Best suited for
All-round versatile — balanced cup for general playing
Cup Diameter
The Bob Reeves 43/S/s has a cup diameter of 17.07 mm / 0.6720 in compared to 16.20 mm / 0.6378 in on the Monette Cornet C4LVS — a difference of 0.87 mm / 0.0343 in. A wider cup generally produces a fuller, darker tone but requires more air support.
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.