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Conn Imp. Precision 3 vs Kelly 25

the Conn Imp. Precision 3 features a deeper cup.

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
    Conn Imp. Precision 3
    • Tuba
    General
    Backbore—
    Best suited for
    📋Large Eb bass
    🎶Full round tone
    vs
    Mouthpiece B
      Kelly 25
      • Tuba
      General
      BackboreM
      Best suited for
      📋General tuba / euphonium doubler

      Which is better?

      Both mouthpieces are categorized as "General" — the physical dimensions above will determine which suits your embouchure and playing style better.

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