Bach 3G vs Bruno Tilz 214-4 S

The Bach 3G has a wider cup diameter, the Bach 3G features a deeper cup, the Bach 3G has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Bach 3G
    • Trombone
    Cup diameter26.26 mm
    Cup depthVery deep
    Rim width
    Throat diameter7.01 mm
    Backbore
    Finish
    Material
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Bruno Tilz 214-4 S
      • Trombone
      Catalog
      Cup diameter25.50 mm
      Cup depthVery shallow
      Rim width
      Throat diameter5.80 mm
      Backbore
      Finish
      Material
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Bach 3G has a cup diameter of 26.26 mm compared to 25.50 mm on the Bruno Tilz 214-4 S — a difference of +0.76 mm. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Bach 3G has a very deep cup while the Bruno Tilz 214-4 S has a very shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Throat Diameter

      The Bach 3G has a wider throat (7.01 mm vs 5.80 mm). A wider throat allows more air through, increasing volume and projection but reducing resistance.

      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 3G details Bruno Tilz 214-4 S details Bach 3G equivalents Bruno Tilz 214-4 S equivalents