Bach 1½C vs GR Technologies 64ES

The Bach 1½C has a wider cup diameter, the Bach 1½C 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 1½C
    • Trumpet
    Cup depthMedium
    vs
    Mouthpiece B
      GR Technologies 64ES
      • Trumpet
      Cup depthShallow

      Cup Depth

      The Bach 1½C has a medium cup while the GR Technologies 64ES 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 Bach 1½C details GR Technologies 64ES details Bach 1½C equivalents GR Technologies 64ES equivalents