Bob Reeves 43W/FE vs Bruno Tilz 210-S 12

The Bob Reeves 43W/FE has a wider cup diameter.

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
    Bob Reeves 43W/FE
    • Flugelhorn
    Cup diameter17.07 mm / 0.6720 in
    vs
    Mouthpiece B
      Bruno Tilz 210-S 12
      • Flugelhorn
      Catalog
      Cup diameter17.00 mm / 0.6693 in
      Best suited for
      📣High-volume projection — open throat for power

      Cup Diameter

      The Bob Reeves 43W/FE has a cup diameter of 17.07 mm / 0.6720 in compared to 17.00 mm / 0.6693 in on the Bruno Tilz 210-S 12 — a difference of 0.07 mm / 0.0028 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 Bob Reeves 43W/FE details Bruno Tilz 210-S 12 details Bob Reeves 43W/FE equivalents Bruno Tilz 210-S 12 equivalents