Home › Tuba › Bruno Tilz 231-C 4 vs Marcinkiewicz 18

Bruno Tilz 231-C 4 vs Marcinkiewicz 18

The Bruno Tilz 231-C 4 has a wider cup diameter, the Bruno Tilz 231-C 4 features a deeper cup.

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
      Marcinkiewicz 18
      • Tuba
      Throat diameter8.20 mm / 0.3228 in
      Best suited for
      📣High-volume projection — open throat for power

      Throat Diameter

      Throat diameters are essentially identical at 8.20 mm / 0.3228 in, so resistance feel will be comparable.

      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.

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