Bach 5V vs Monette Cornet B6 FL

The Monette Cornet B6 FL has a wider cup diameter, the Bach 5V features a deeper cup, the Bach 5V has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Bach 5V
    • Cornet
    Cup diameter16.25 mm
    Cup depthVery deep
    Rim width
    Throat diameter4.09 mm
    Backbore
    Finish
    Material
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Monette Cornet B6 FL
      • Cornet
      Cup diameter16.30 mm
      Cup depthDeep
      Rim width
      Throat diameter3.66 mm
      Backbore
      Finish
      Material

      Cup Diameter

      The Monette Cornet B6 FL has a cup diameter of 16.30 mm compared to 16.25 mm on the Bach 5V — a difference of +0.05 mm. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Bach 5V has a very deep cup while the Monette Cornet B6 FL has a deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Throat Diameter

      The Bach 5V has a wider throat (4.09 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 5V details Monette Cornet B6 FL details Bach 5V equivalents Monette Cornet B6 FL equivalents