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Bach 1 vs GR Technologies E65C*

The Bach 1 has a wider cup diameter, the Bach 1 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 1
    • Trumpet
    Throat diameter3.66 mm / 0.1441 in
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    vs
    Mouthpiece B
      GR Technologies E65C*
      • 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 1 details GR Technologies E65C* details Bach 1 equivalents GR Technologies E65C* equivalents

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