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Denis Wick 5AL vs Giardinelli 5D

The Denis Wick 5AL has a wider cup diameter, the Giardinelli 5D 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
    Denis Wick 5AL
    • Trombone
    Cup diameter25.73 mm / 1.0130 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Giardinelli 5D
      • Trombone
      Cup diameter25.00 mm / 0.9843 in
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone
      📣High-volume projection — open throat for power

      Cup Diameter

      The Denis Wick 5AL has a cup diameter of 25.73 mm / 1.0130 in compared to 25.00 mm / 0.9843 in on the Giardinelli 5D — a difference of 0.73 mm / 0.0287 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 5AL details Giardinelli 5D details Denis Wick 5AL equivalents Giardinelli 5D equivalents

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