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Denis Wick 12CS vs Schilke 45B

The Denis Wick 12CS has a wider cup diameter, the Denis Wick 12CS 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
    Denis Wick 12CS
    • Trombone
    Cup diameter24.50 mm / 0.9646 in
    Best suited for
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Schilke 45B
      • Trombone
      Cup diameter24.30 mm / 0.9567 in
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Denis Wick 12CS has a cup diameter of 24.50 mm / 0.9646 in compared to 24.30 mm / 0.9567 in on the Schilke 45B — a difference of 0.20 mm / 0.0079 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.

      Open in interactive tool + Add third mouthpiece Denis Wick 12CS details Schilke 45B details Denis Wick 12CS equivalents Schilke 45B equivalents

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