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Bach 1½C vs GR Technologies 67MX

the GR Technologies 67MX features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
    Bach 1½C
    • Trumpet
    Cup diameter17.00 mm / 0.6693 in
    vs
    Mouthpiece B
      GR Technologies 67MX
      • Trumpet
      Cup diameter17.00 mm / 0.6693 in
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone

      Cup Diameter

      Both mouthpieces have virtually identical cup diameters at 17.00 mm / 0.6693 in.

      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 1½C details GR Technologies 67MX details Bach 1½C equivalents GR Technologies 67MX equivalents

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