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GR Technologies 65VC vs Schilke 13A4a

The Schilke 13A4a has a wider cup diameter, the GR Technologies 65VC 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
    GR Technologies 65VC
    • Trumpet
    Throat diameter—
    vs
    Mouthpiece B
      Schilke 13A4a
      • Trumpet
      Throat diameter3.66 mm / 0.1441 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.

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