Schilke 40B 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 taper behind the throat leading to the shank. Affects projection and tone character.
Mouthpiece A
    Schilke 40B
    • Trombone
    Backbore15/64 .2344"
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Yamaha SL-48L
      • Trombone
      BackboreSemi-narrow
      Best suited for
      📣High-volume projection — open throat for power

      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 Schilke 40B details Yamaha SL-48L details Schilke 40B equivalents Yamaha SL-48L equivalents