Bach 11B vs Denis Wick 4B

The Denis Wick 4B has a wider cup diameter, the Bach 11B features a deeper cup, the Denis Wick 4B 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 11B
    • Cornet
    Cup diameter15.70 mm / 0.6181 in
    vs
    Mouthpiece B
      Denis Wick 4B
      • Cornet
      Cup diameter16.50 mm / 0.6496 in
      Best suited for
      🎵All-round versatile — balanced cup for general playing
      📣High-volume projection — open throat for power

      Cup Diameter

      The Denis Wick 4B has a cup diameter of 16.50 mm / 0.6496 in compared to 15.70 mm / 0.6181 in on the Bach 11B — a difference of 0.80 mm / 0.0315 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 Bach 11B details Denis Wick 4B details Bach 11B equivalents Denis Wick 4B equivalents