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Bruno Tilz 306-3 D vs Yamaha SL-48L

The Bruno Tilz 306-3 D has a wider cup diameter, the Bruno Tilz 306-3 D features a deeper cup, the Bruno Tilz 306-3 D has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
    Bruno Tilz 306-3 D
    • Trombone
    Catalog
    Throat diameter7.60 mm / 0.2992 in
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Yamaha SL-48L
      • Trombone
      Throat diameter6.62 mm / 0.2606 in
      Best suited for
      📣High-volume projection — open throat for power

      Throat Diameter

      The Bruno Tilz 306-3 D has a wider throat (7.60 mm / 0.2992 in vs 6.62 mm / 0.2606 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 306-3 D details Yamaha SL-48L details Bruno Tilz 306-3 D equivalents Yamaha SL-48L equivalents

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