Bach 1B vs Yamaha CR-11E4S

The Bach 1B has a wider cup diameter, the Yamaha CR-11E4S features a deeper cup, the Yamaha CR-11E4S has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.
Mouthpiece A
    Bach 1B
    • Cornet
    Finish
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    vs
    Mouthpiece B
      Yamaha CR-11E4S
      • Cornet
      Finish
      Best suited for
      📣High-volume projection — open throat for power

      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 1B details Yamaha CR-11E4S details Bach 1B equivalents Yamaha CR-11E4S equivalents