Denis Wick 4.5AL vs Yamaha BL-60BL

The Yamaha BL-60BL has a wider cup diameter, the Denis Wick 4.5AL features a deeper cup, the Denis Wick 4.5AL has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Denis Wick 4.5AL
    • Trombone
    Cup diameter25.85 mm
    Cup depthVery deep
    Rim width6.80 mm
    Throat diameter7.24 mm
    Backborebarrel
    Finish
    Material
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Yamaha BL-60BL
      • Trombone
      Cup diameter27.83 mm
      Cup depthShallow
      Rim width
      Throat diameter6.92 mm
      BackboreSemi-wide
      Finish
      Material
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Yamaha BL-60BL has a cup diameter of 27.83 mm compared to 25.85 mm on the Denis Wick 4.5AL — a difference of +1.98 mm. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Denis Wick 4.5AL has a very deep cup while the Yamaha BL-60BL has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Throat Diameter

      The Denis Wick 4.5AL has a wider throat (7.24 mm vs 6.92 mm). 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 Denis Wick 4.5AL details Yamaha BL-60BL details Denis Wick 4.5AL equivalents Yamaha BL-60BL equivalents