Giardinelli Sym. T vs Yamaha BL-60BL

The Yamaha BL-60BL has a wider cup diameter, the Giardinelli Sym. T features a deeper cup, the Yamaha BL-60BL has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Giardinelli Sym. T
    • Trombone
    Cup diameter25.80 mm / 1.0157 in
    Cup depthDeep
    Rim width
    Throat diameter6.40 mm / 0.2520 in
    Backbore1/4 (.250)"
    Finish
    Material
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Yamaha BL-60BL
      • Trombone
      Cup diameter27.83 mm / 1.0957 in
      Cup depthShallow
      Rim width
      Throat diameter6.92 mm / 0.2724 in
      BackboreSemi-wide
      Finish
      Material
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Yamaha BL-60BL has a cup diameter of 27.83 mm / 1.0957 in compared to 25.80 mm / 1.0157 in on the Giardinelli Sym. T — a difference of 2.03 mm / 0.0799 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Giardinelli Sym. T has a deep cup while the Yamaha BL-60BL has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Throat Diameter

      The Yamaha BL-60BL has a wider throat (6.92 mm / 0.2724 in vs 6.40 mm / 0.2520 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.

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