Bach 6B vs Monette Cornet C4S rim

Both mouthpieces share similar core dimensions — the differences are in the details.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
    Bach 6B
    • Cornet
    Backbore
    vs
    Mouthpiece B
      Monette Cornet C4S rim
      • Cornet
      Backbore

      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 6B details Monette Cornet C4S rim details Bach 6B equivalents Monette Cornet C4S rim equivalents