Bach Mega Tone Cornet 3B vs Monette Cornet C4S FL

The Bach Mega Tone Cornet 3B has a wider cup diameter, the Monette Cornet C4S FL features a deeper cup, the Bach Mega Tone Cornet 3B has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Bach Mega Tone Cornet 3B
    • Cornet
    Cup diameter16.30 mm
    Cup depthDeep
    Rim width
    Throat diameter3.73 mm
    Backbore
    Finish
    Material
    vs
    Mouthpiece B
      Monette Cornet C4S FL
      • Cornet
      Cup diameter16.20 mm
      Cup depthVery deep
      Rim width
      Throat diameter3.66 mm
      Backbore
      Finish
      Material

      Cup Diameter

      The Bach Mega Tone Cornet 3B has a cup diameter of 16.30 mm compared to 16.20 mm on the Monette Cornet C4S FL — a difference of +0.10 mm. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Monette Cornet C4S FL has a very deep cup while the Bach Mega Tone Cornet 3B has a deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Throat Diameter

      The Bach Mega Tone Cornet 3B has a wider throat (3.73 mm vs 3.66 mm). A wider throat allows more air through, increasing volume and projection but reducing resistance.

      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 Mega Tone Cornet 3B details Monette Cornet C4S FL details Bach Mega Tone Cornet 3B equivalents Monette Cornet C4S FL equivalents