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Bach 11 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
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
    Bach 11
    • Trombone
    Cup diameter24.70 mm / 0.9724 in
    Best suited for
    🎻Orchestral playing — large cup for full, dark tone
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Denis Wick 1AL
      • Trombone
      Cup diameter27.11 mm / 1.0673 in
      Best suited for
      🎻Orchestral playing — large cup for full, dark tone
      📣High-volume projection — open throat for power

      Cup Diameter

      The Denis Wick 1AL has a cup diameter of 27.11 mm / 1.0673 in compared to 24.70 mm / 0.9724 in on the Bach 11 — a difference of 2.41 mm / 0.0949 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.

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