Bach Mega Tone Cornet 5B vs Monette Cornet C4LVS

The Bach Mega Tone Cornet 5B has a wider cup diameter, the Bach Mega Tone Cornet 5B features a deeper cup, the Bach Mega Tone Cornet 5B has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
    Bach Mega Tone Cornet 5B
    • Cornet
    Cup diameter16.25 mm / 0.6398 in
    vs
    Mouthpiece B
      Monette Cornet C4LVS
      • Cornet
      Cup diameter16.20 mm / 0.6378 in
      Best suited for
      🎵All-round versatile — balanced cup for general playing

      Cup Diameter

      The Bach Mega Tone Cornet 5B has a cup diameter of 16.25 mm / 0.6398 in compared to 16.20 mm / 0.6378 in on the Monette Cornet C4LVS — a difference of 0.05 mm / 0.0020 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      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 5B details Monette Cornet C4LVS details Bach Mega Tone Cornet 5B equivalents Monette Cornet C4LVS equivalents