Bach 1 vs GR Technologies 3MS

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
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
    Bach 1
    • Trumpet
    Cup depthVery deep
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    vs
    Mouthpiece B
      GR Technologies 3MS
      • Trumpet
      Cup depthMedium

      Cup Depth

      The Bach 1 has a very deep cup while the GR Technologies 3MS has a medium 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 Bach 1 details GR Technologies 3MS details Bach 1 equivalents GR Technologies 3MS equivalents