Bach 6C Flugel vs Bruno Tilz 210-S 4 E

The Bruno Tilz 210-S 4 E has a wider cup diameter, the Bach 6C Flugel features a deeper cup, the Bach 6C Flugel has a larger throat opening.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
    Bach 6C Flugel
    • Flugelhorn
    Throat diameter3.99 mm / 0.1571 in
    Best suited for
    🎵All-round versatile — balanced cup for general playing
    📣High-volume projection — open throat for power
    vs
    Mouthpiece B
      Bruno Tilz 210-S 4 E
      • Flugelhorn
      Catalog
      Throat diameter3.50 mm / 0.1378 in
      Best suited for
      Screamer / high notes — tight throat with shallow cup

      Throat Diameter

      The Bach 6C Flugel has a wider throat (3.99 mm / 0.1571 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 Bach 6C Flugel details Bruno Tilz 210-S 4 E details Bach 6C Flugel equivalents Bruno Tilz 210-S 4 E equivalents