Bach 11B vs Curry 10.5 TC
The Curry 10.5 TC has a wider cup diameter, the Curry 10.5 TC has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bach 11B
• Cornet
Cup diameter15.70 mm / 0.6181 in
vs
Mouthpiece B
Curry 10.5 TC
• Cornet
Cup diameter15.88 mm / 0.6250 in
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Curry 10.5 TC has a cup diameter of 15.88 mm / 0.6250 in compared to 15.70 mm / 0.6181 in on the Bach 11B — a difference of 0.18 mm / 0.0069 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.