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Bruno Tilz 306-3 D vs Denis Wick 1AL

The Bruno Tilz 306-3 D has a wider cup diameter, the Denis Wick 1AL features a deeper cup, the Bruno Tilz 306-3 D 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 306-3 D
    • Trombone
    Catalog
    Throat diameter7.60 mm / 0.2992 in
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Denis Wick 1AL
      • Trombone
      Throat diameter7.45 mm / 0.2933 in
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone
      📣High-volume projection — open throat for power

      Throat Diameter

      The Bruno Tilz 306-3 D has a wider throat (7.60 mm / 0.2992 in vs 7.45 mm / 0.2933 in). 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.

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