Bob Reeves 43/FE vs Bruno Tilz 210-S 12
The Bob Reeves 43/FE has a wider cup diameter.
Mouthpiece A
Bob Reeves 43/FE
• Flugelhorn
Cup diameter17.07 mm / 0.6720 in
Cup depthMedium
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
vs
Mouthpiece B
Bruno Tilz 210-S 12
• Flugelhorn
CatalogCup diameter17.00 mm / 0.6693 in
Cup depth
Rim width—
Throat diameter3.90 mm / 0.1535 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Bob Reeves 43/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.