Bach 11A vs Bach 1B

The Bach 1B has a wider cup diameter, the Bach 11A features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
    Bach 11A
    • Cornet
    Material
    vs
    Mouthpiece B
      Bach 1B
      • Cornet
      Material
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone

      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 11A details Bach 1B details Bach 11A equivalents Bach 1B equivalents