Home › Trombone › Bruno Tilz 306-3 D vs Yamaha SL-48L-GP

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

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 internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
    Bruno Tilz 306-3 D
    • Trombone
    Catalog
    Cup diameter28.50 mm / 1.1220 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-GP
      • Trombone
      Cup diameter25.25 mm / 0.9941 in
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Bruno Tilz 306-3 D has a cup diameter of 28.50 mm / 1.1220 in compared to 25.25 mm / 0.9941 in on the Yamaha SL-48L-GP — a difference of 3.25 mm / 0.1280 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      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-GP details Bruno Tilz 306-3 D equivalents Yamaha SL-48L-GP equivalents

      Compare Bruno Tilz 306-3 D with others

      Compare Yamaha SL-48L-GP with others

      Popular Trombone comparisons

      Bruno Tilz vs Yamaha

      Browse by specification