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Bach 30CB vs Bruno Tilz 306-5 GS

The Bach 30CB has a wider cup diameter, the Bach 30CB features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
    Bach 30CB
    • Trombone
    Backbore—
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    vs
    Mouthpiece B
      Bruno Tilz 306-5 GS
      • Trombone
      Catalog
      Backbore—
      Best suited for
      📣High-volume projection — open throat for power

      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 30CB details Bruno Tilz 306-5 GS details Bach 30CB equivalents Bruno Tilz 306-5 GS equivalents

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