Bach 1B vs Monette Cornet AP4S FL

The Bach 1B has a wider cup diameter, the Monette Cornet AP4S FL features a deeper cup.

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
      Monette Cornet AP4S FL
      • Cornet
      Cup depthVery deep

      Cup Depth

      The Monette Cornet AP4S FL 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 Monette Cornet AP4S FL details Bach 1B equivalents Monette Cornet AP4S FL equivalents