Bach 17C vs Bruno Tilz 304- A 2

The Bach 17C has a wider cup diameter, the Bach 17C features a deeper cup, the Bach 17C has a larger throat opening.

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 17C
    • Baritone / Euphonium
    Cup depthShallow
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Bruno Tilz 304- A 2
      • Baritone / Euphonium
      Catalog
      Cup depthVery shallow
      Best suited for
      📣High-volume projection — open throat for power

      Cup Depth

      The Bach 17C has a shallow cup while the Bruno Tilz 304- A 2 has a very 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 17C details Bruno Tilz 304- A 2 details Bach 17C equivalents Bruno Tilz 304- A 2 equivalents