Bach 4C vs Denis Wick 1AL

The Denis Wick 1AL has a wider cup diameter, the Denis Wick 1AL features a deeper cup, the Denis Wick 1AL 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 4C
    • Trombone
    Cup depthShallow
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Denis Wick 1AL
      • Trombone
      Cup depthVery deep
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone
      📣High-volume projection — open throat for power

      Cup Depth

      The Denis Wick 1AL has a very deep cup while the Bach 4C has a shallow 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 4C details Denis Wick 1AL details Bach 4C equivalents Denis Wick 1AL equivalents