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Bach 1¼C vs GR Technologies 64SZ

The Bach 1¼C 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 narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
    Bach 1¼C
    • Trumpet
    Throat diameter3.66 mm / 0.1441 in
    vs
    Mouthpiece B
      GR Technologies 64SZ
      • Trumpet
      Throat diameter—

      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 GR Technologies 64SZ details Bach 1¼C equivalents GR Technologies 64SZ equivalents

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