Bach 6BM vs Monette Cornet B2 FL

The Monette Cornet B2 FL has a wider cup diameter, the Bach 6BM has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
    Bach 6BM
    • Cornet
    Throat diameter3.73 mm / 0.1469 in
    vs
    Mouthpiece B
      Monette Cornet B2 FL
      • Cornet
      Throat diameter3.66 mm / 0.1441 in
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone

      Throat Diameter

      The Bach 6BM has a wider throat (3.73 mm / 0.1469 in vs 3.66 mm / 0.1441 in). 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 6BM details Monette Cornet B2 FL details Bach 6BM equivalents Monette Cornet B2 FL equivalents