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Bach 3C vs GR Technologies 64SZ

The Bach 3C has a wider cup diameter, the Bach 3C 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 3C
    • Trumpet
    Throat diameter3.66 mm / 0.1441 in
    Best suited for
    🎵All-round versatile — balanced cup for general playing
    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 3C details GR Technologies 64SZ details Bach 3C equivalents GR Technologies 64SZ equivalents

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