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Bruno Tilz 306-1 1/2 C vs Denis Wick 5AL

The Bruno Tilz 306-1 1/2 C has a wider cup diameter, the Denis Wick 5AL features a deeper cup, the Denis Wick 5AL has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
    Bruno Tilz 306-1 1/2 C
    • Trombone
    Catalog
    Cup diameter27.00 mm / 1.0630 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Denis Wick 5AL
      • Trombone
      Cup diameter25.73 mm / 1.0130 in
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Bruno Tilz 306-1 1/2 C has a cup diameter of 27.00 mm / 1.0630 in compared to 25.73 mm / 1.0130 in on the Denis Wick 5AL — a difference of 1.27 mm / 0.0500 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      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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