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Conn Precision 3 vs Monette Cornet B2 FL

The Monette Cornet B2 FL has a wider cup diameter, the Monette Cornet B2 FL features a deeper cup.

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
    Conn Precision 3
    • Cornet
    General
    Cup diameter16.41 mm / 0.6461 in
    Best suited for
    🎵All-round versatile — balanced cup for general playing
    📋All-around use; most popular model
    🎶Bright quality of tone in all registers; good all-around
    vs
    Mouthpiece B
      Monette Cornet B2 FL
      • Cornet
      Cup diameter17.00 mm / 0.6693 in
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone

      Cup Diameter

      The Monette Cornet B2 FL has a cup diameter of 17.00 mm / 0.6693 in compared to 16.41 mm / 0.6461 in on the Conn Precision 3 — a difference of 0.59 mm / 0.0232 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.

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