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GR Technologies G66** vs Schilke 13A4a

the GR Technologies G66** features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
    GR Technologies G66**
    • Trumpet
    Cup depthMedium
    vs
    Mouthpiece B
      Schilke 13A4a
      • Trumpet
      Cup depthShallow

      Cup Depth

      The GR Technologies G66** has a medium cup while the Schilke 13A4a has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      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 GR Technologies G66** details Schilke 13A4a details GR Technologies G66** equivalents Schilke 13A4a equivalents

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