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Giardinelli 5M vs Schilke 47

The Giardinelli 5M has a wider cup diameter, the Giardinelli 5M has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Giardinelli 5M
    • Trombone
    Cup diameter25.00 mm / 0.9843 in
    Cup depthMedium
    Rim width—
    Throat diameter6.00 mm / 0.2362 in
    Backbore15/64" (.234)
    Finish—
    Material—
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Schilke 47
      • Trombone
      Cup diameter24.99 mm / 0.9839 in
      Cup depthMedium
      Rim width—
      Throat diameter5.95 mm / 0.2343 in
      Backbore15/64 .2344"
      Finish—
      Material—
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Giardinelli 5M has a cup diameter of 25.00 mm / 0.9843 in compared to 24.99 mm / 0.9839 in on the Schilke 47 — a difference of 0.01 mm / 0.0004 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.

      Throat Diameter

      The Giardinelli 5M has a wider throat (6.00 mm / 0.2362 in vs 5.95 mm / 0.2343 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.

      Open in interactive tool + Add third mouthpiece Giardinelli 5M details Schilke 47 details Giardinelli 5M equivalents Schilke 47 equivalents

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