Bach 10½E vs Bach 11EW

The Bach 10½E has a wider cup diameter.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
    Bach 10½E
    • Cornet
    Rim width
    Best suited for
    🎺Lead / commercial — shallow cup for brightness and range
    vs
    Mouthpiece B
      Bach 11EW
      • Cornet
      Rim width
      Best suited for
      🎺Lead / commercial — shallow cup for brightness and range

      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.

      Open in interactive tool + Add third mouthpiece Bach 10½E details Bach 11EW details Bach 10½E equivalents Bach 11EW equivalents