Bach 22 vs Bruno Tilz 231-B 3

The Bruno Tilz 231-B 3 has a wider cup diameter, the Bach 22 features a deeper cup, the Bach 22 has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Bach 22
    • Tuba
    Cup diameter31.60 mm
    Cup depthMedium
    Rim width
    Throat diameter8.33 mm
    Backbore
    Finish
    Material
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Bruno Tilz 231-B 3
      • Tuba
      Catalog
      Cup diameter33.00 mm
      Cup depthShallow
      Rim width
      Throat diameter7.40 mm
      Backbore
      Finish
      Material
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Bruno Tilz 231-B 3 has a cup diameter of 33.00 mm compared to 31.60 mm on the Bach 22 — a difference of +1.40 mm. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Bach 22 has a medium cup while the Bruno Tilz 231-B 3 has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Throat Diameter

      The Bach 22 has a wider throat (8.33 mm vs 7.40 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 22 details Bruno Tilz 231-B 3 details Bach 22 equivalents Bruno Tilz 231-B 3 equivalents