Bach 10½C Flugel vs Bach 10C Flugel
The Bach 10C Flugel has a wider cup diameter.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bach 10½C Flugel
• Flugelhorn
Throat diameter3.99 mm / 0.1571 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Bach 10C Flugel
• Flugelhorn
Throat diameter3.99 mm / 0.1571 in
Best suited for
All-round versatile — balanced cup for general playing
High-volume projection — open throat for power
Throat Diameter
Throat diameters are essentially identical at 3.99 mm / 0.1571 in, so resistance feel will be comparable.
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.