Home › Trumpet › Bach 1 vs GR Technologies 66.5MS

Bach 1 vs GR Technologies 66.5MS

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
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
    Bach 1
    • Trumpet
    Material—
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    vs
    Mouthpiece B
      GR Technologies 66.5MS
      • Trumpet
      Material—

      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 66.5MS details Bach 1 equivalents GR Technologies 66.5MS equivalents

      Compare Bach 1 with others

      Compare GR Technologies 66.5MS with others

      Popular Trumpet comparisons

      Bach vs GR Technologies

      Browse by specification