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Kelly 24AW-SS vs Kelly 25

The Kelly 24AW-SS has a wider cup diameter, the Kelly 24AW-SS 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
    Kelly 24AW-SS
    • Tuba
    General
    BackboreXL
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📋Tuba / sousaphone
    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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