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Bach 15 vs Denis Wick 5AL

The Denis Wick 5AL has a wider cup diameter, the Bach 15 features a deeper cup, the Denis Wick 5AL has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).
Mouthpiece A
    Bach 15
    • Trombone
    Cup depthDeep
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Denis Wick 5AL
      • Trombone
      Cup depthMedium
      Best suited for
      📣High-volume projection — open throat for power

      Cup Depth

      The Bach 15 has a deep cup while the Denis Wick 5AL has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      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 Bach 15 details Denis Wick 5AL details Bach 15 equivalents Denis Wick 5AL equivalents

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