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Bruno Tilz 215-9 1/2 G vs Yamaha SL-YEO-S

The Bruno Tilz 215-9 1/2 G has a wider cup diameter, the Yamaha SL-YEO-S features a deeper cup, the Yamaha SL-YEO-S 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 215-9 1/2 G
    • Trombone
    Catalog
    Throat diameter7.20 mm / 0.2835 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Yamaha SL-YEO-S
      • Trombone
      Throat diameter8.00 mm / 0.3150 in
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone
      📣High-volume projection — open throat for power

      Throat Diameter

      The Yamaha SL-YEO-S has a wider throat (8.00 mm / 0.3150 in vs 7.20 mm / 0.2835 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 215-9 1/2 G details Yamaha SL-YEO-S details Bruno Tilz 215-9 1/2 G equivalents Yamaha SL-YEO-S equivalents

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