Denis Wick 10CS vs Schilke 47B
The Denis Wick 10CS has a wider cup diameter, the Denis Wick 10CS has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Denis Wick 10CS
• Trombone
Cup diameter25.00 mm / 0.9843 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Schilke 47B
• Trombone
Cup diameter24.87 mm / 0.9791 in
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Denis Wick 10CS has a cup diameter of 25.00 mm / 0.9843 in compared to 24.87 mm / 0.9791 in on the Schilke 47B — a difference of 0.13 mm / 0.0051 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.