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Bruno Tilz 214-11 C vs Yamaha SL-48L

The Yamaha SL-48L has a wider cup diameter, the Yamaha SL-48L features a deeper cup, the Yamaha SL-48L 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 214-11 C
    • Trombone
    Catalog
    Throat diameter5.80 mm / 0.2283 in
    Best suited for
    📣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 Yamaha SL-48L has a wider throat (6.62 mm / 0.2606 in vs 5.80 mm / 0.2283 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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