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Bach 5C vs GR Technologies 64.7MS

The GR Technologies 64.7MS has a wider cup diameter, the Bach 5C features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
    Bach 5C
    • Trumpet
    Material—
    Best suited for
    🎵All-round versatile — balanced cup for general playing
    vs
    Mouthpiece B
      GR Technologies 64.7MS
      • Trumpet
      Material—

      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 5C details GR Technologies 64.7MS details Bach 5C equivalents GR Technologies 64.7MS equivalents

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