Bruno Tilz 301-4 C vs Denis Wick 5BFL

The Bruno Tilz 301-4 C has a wider cup diameter, the Denis Wick 5BFL features a deeper cup, the Denis Wick 5BFL has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
Mouthpiece A
    Bruno Tilz 301-4 C
    • Flugelhorn
    Catalog
    Cup diameter16.50 mm / 0.6496 in
    Cup depthMedium
    Rim width
    Throat diameter3.50 mm / 0.1378 in
    Backbore
    Finish
    Material
    Best suited for
    🎵All-round versatile — balanced cup for general playing
    vs
    Mouthpiece B
      Denis Wick 5BFL
      • Flugelhorn
      Cup diameter16.00 mm / 0.6299 in
      Cup depthDeep
      Rim width5.30 mm / 0.2087 in
      Throat diameter4.45 mm / 0.1752 in
      Backboreopen
      Finish
      Material
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Bruno Tilz 301-4 C has a cup diameter of 16.50 mm / 0.6496 in compared to 16.00 mm / 0.6299 in on the Denis Wick 5BFL — a difference of 0.50 mm / 0.0197 in. A wider cup generally produces a fuller, darker tone but requires more air support.

      Cup Depth

      The Denis Wick 5BFL has a deep cup while the Bruno Tilz 301-4 C has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

      Throat Diameter

      The Denis Wick 5BFL has a wider throat (4.45 mm / 0.1752 in vs 3.50 mm / 0.1378 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.

      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 Bruno Tilz 301-4 C details Denis Wick 5BFL details Bruno Tilz 301-4 C equivalents Denis Wick 5BFL equivalents