Bruno Tilz 214-D 5 vs Giardinelli 1GM

The Giardinelli 1GM has a wider cup diameter, the Giardinelli 1GM features a deeper cup, the Giardinelli 1GM has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Bruno Tilz 214-D 5
    • Trombone
    Catalog
    Cup diameter26.00 mm / 1.0236 in
    Cup depthMedium
    Rim width
    Throat diameter6.30 mm / 0.2480 in
    Backbore
    Finish
    Material
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Giardinelli 1GM
      • Trombone
      Cup diameter27.00 mm / 1.0630 in
      Cup depthDeep
      Rim width
      Throat diameter6.75 mm / 0.2657 in
      Backbore17/64 (.265)"
      Finish
      Material
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone
      📣High-volume projection — open throat for power

      Cup Diameter

      The Giardinelli 1GM has a cup diameter of 27.00 mm / 1.0630 in compared to 26.00 mm / 1.0236 in on the Bruno Tilz 214-D 5 — a difference of 1.00 mm / 0.0394 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Giardinelli 1GM has a deep cup while the Bruno Tilz 214-D 5 has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Throat Diameter

      The Giardinelli 1GM has a wider throat (6.75 mm / 0.2657 in vs 6.30 mm / 0.2480 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 Bruno Tilz 214-D 5 details Giardinelli 1GM details Bruno Tilz 214-D 5 equivalents Giardinelli 1GM equivalents