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Denis Wick 5BL vs Schilke 51

The Denis Wick 5BL has a wider cup diameter, the Schilke 51 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
    Denis Wick 5BL
    • Trombone
    Cup diameter25.73 mm / 1.0130 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Schilke 51
      • Trombone
      Cup diameter25.63 mm / 1.0091 in
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Denis Wick 5BL has a cup diameter of 25.73 mm / 1.0130 in compared to 25.63 mm / 1.0091 in on the Schilke 51 — a difference of 0.10 mm / 0.0039 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.

      Open in interactive tool + Add third mouthpiece Denis Wick 5BL details Schilke 51 details Denis Wick 5BL equivalents Schilke 51 equivalents

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