Kelly 4B-UK vs Monette Cornet C4LVS

The Kelly 4B-UK has a wider cup diameter, the Kelly 4B-UK features a deeper cup, the Kelly 4B-UK has a larger throat opening.

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
    Kelly 4B-UK
    • Cornet
    Orchestral
    BackboreXL
    Best suited for
    📣High-volume projection — open throat for power
    📋Professional cornet; British brass band
    vs
    Mouthpiece B
      Monette Cornet C4LVS
      • Cornet
      Backbore
      Best suited for
      🎵All-round versatile — balanced cup for general playing

      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 Kelly 4B-UK details Monette Cornet C4LVS details Kelly 4B-UK equivalents Monette Cornet C4LVS equivalents