Bach 2¾C vs Bach 3C

The Bach 2¾C has a wider cup diameter.

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
    Bach 2¾C
    • Trumpet
    Throat diameter3.66 mm / 0.1441 in
    Best suited for
    🎵All-round versatile — balanced cup for general playing
    vs
    Mouthpiece B
      Bach 3C
      • Trumpet
      Throat diameter3.66 mm / 0.1441 in
      Best suited for
      🎵All-round versatile — balanced cup for general playing

      Throat Diameter

      Throat diameters are essentially identical at 3.66 mm / 0.1441 in, so resistance feel will be comparable.

      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 2¾C details Bach 3C details Bach 2¾C equivalents Bach 3C equivalents