Bach 1B vs Yamaha CR-14ES

The Bach 1B has a wider cup diameter, the Yamaha CR-14ES features a deeper cup, the Yamaha CR-14ES has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
    Bach 1B
    • Cornet
    Cup depthDeep
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    vs
    Mouthpiece B
      Yamaha CR-14ES
      • Cornet
      Cup depthVery deep
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone
      📣High-volume projection — open throat for power

      Cup Depth

      The Yamaha CR-14ES has a very deep cup while the Bach 1B has a deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      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-14ES details Bach 1B equivalents Yamaha CR-14ES equivalents