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Bruno Tilz 305-6 1/2 AM vs Giardinelli 5D

the Giardinelli 5D features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Bruno Tilz 305-6 1/2 AM
    • Trombone
    Catalog
    Cup diameter25.00 mm / 0.9843 in
    Cup depthMedium
    Rim width—
    Throat diameter6.00 mm / 0.2362 in
    Backbore—
    Finish—
    Material—
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Giardinelli 5D
      • Trombone
      Cup diameter25.00 mm / 0.9843 in
      Cup depthDeep
      Rim width—
      Throat diameter6.00 mm / 0.2362 in
      Backbore15/64" (.234)
      Finish—
      Material—
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone
      📣High-volume projection — open throat for power

      Cup Diameter

      Both mouthpieces have virtually identical cup diameters at 25.00 mm / 0.9843 in.

      Cup Depth

      The Giardinelli 5D has a deep cup while the Bruno Tilz 305-6 1/2 AM has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Throat Diameter

      Throat diameters are essentially identical at 6.00 mm / 0.2362 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.

      Open in interactive tool + Add third mouthpiece Bruno Tilz 305-6 1/2 AM details Giardinelli 5D details Bruno Tilz 305-6 1/2 AM equivalents Giardinelli 5D equivalents

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