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Bob Reeves CV vs Giardinelli Sym. T

The Bob Reeves CV has a wider cup diameter, the Bob Reeves CV features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Bob Reeves CV
    • Trombone
    Cup diameter29.50 mm / 1.1614 in
    Cup depthVery deep
    Rim width—
    Throat diameter—
    Backbore—
    Finish—
    Material—
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    vs
    Mouthpiece B
      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

      Cup Diameter

      The Bob Reeves CV has a cup diameter of 29.50 mm / 1.1614 in compared to 25.80 mm / 1.0157 in on the Giardinelli Sym. T — a difference of 3.70 mm / 0.1457 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Bob Reeves CV has a very deep cup while the Giardinelli Sym. T has a deep cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      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 Bob Reeves CV details Giardinelli Sym. T details Bob Reeves CV equivalents Giardinelli Sym. T equivalents

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