Bach 10 vs Kelly 11
The Kelly 11 has a wider cup diameter, the Kelly 11 features a deeper cup, the Bach 10 has a larger throat opening.
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
Bach 10
• French Horn
Rim width—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Kelly 11
• French Horn
GeneralRim width—
Best suited for
Orchestral playing — large cup for full, dark tone
Large-rim French horn
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.