Home › Tuba › Bruno Tilz 231-C 4 vs Bruno Tilz 310-M 21

Bruno Tilz 231-C 4 vs Bruno Tilz 310-M 21

the Bruno Tilz 231-C 4 features a deeper cup, the Bruno Tilz 310-M 21 has a larger throat opening.

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
    Bruno Tilz 231-C 4
    • Tuba
    Catalog
    Throat diameter8.20 mm / 0.3228 in
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Bruno Tilz 310-M 21
      • Tuba
      Catalog
      Throat diameter8.40 mm / 0.3307 in
      Best suited for
      📣High-volume projection — open throat for power

      Throat Diameter

      The Bruno Tilz 310-M 21 has a wider throat (8.40 mm / 0.3307 in vs 8.20 mm / 0.3228 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.

      Which is better?

      Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.

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