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Conn Connstellation 7CW vs Monette Cornet E1-5M S12

The Monette Cornet E1-5M S12 has a wider cup diameter, the Conn Connstellation 7CW 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 Connstellation 7CW
    • Cornet
    General
    Cup diameter16.42 mm / 0.6465 in
    Best suited for
    📋Trumpet players seeking precise matched dimensions
    🎶Size 7 (16.42mm); larger cup; fuller lower register; Wide rim; larger rounded inner radius; less bit
    vs
    Mouthpiece B
      Monette Cornet E1-5M S12
      • Cornet
      Cup diameter17.00 mm / 0.6693 in
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone

      Cup Diameter

      The Monette Cornet E1-5M S12 has a cup diameter of 17.00 mm / 0.6693 in compared to 16.42 mm / 0.6465 in on the Conn Connstellation 7CW — a difference of 0.58 mm / 0.0228 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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