Bob Reeves 43N/B/s vs Denis Wick 3
The Bob Reeves 43N/B/s has a wider cup diameter.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bob Reeves 43N/B/s
• Cornet
Cup diameter17.07 mm / 0.6720 in
Best suited for
Orchestral playing — large cup for full, dark tone
vs
Mouthpiece B
Denis Wick 3
• Cornet
Cup diameter16.75 mm / 0.6594 in
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Bob Reeves 43N/B/s has a cup diameter of 17.07 mm / 0.6720 in compared to 16.75 mm / 0.6594 in on the Denis Wick 3 — a difference of 0.32 mm / 0.0126 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.