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Bach 1¼C vs Marcinkiewicz 303

The Marcinkiewicz 303 has a wider cup diameter, the Bach 1¼C 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
    Bach 1¼C
    • Trumpet
    Backbore—
    vs
    Mouthpiece B
      Marcinkiewicz 303
      • Trumpet
      Backbore—

      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 Bach 1¼C details Marcinkiewicz 303 details Bach 1¼C equivalents Marcinkiewicz 303 equivalents

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