Bob Reeves 43/F vs Bruno Tilz 210-S 9 E
The Bob Reeves 43/F has a wider cup diameter, the Bruno Tilz 210-S 9 E features a deeper cup.
Mouthpiece A
Bob Reeves 43/F
• Flugelhorn
Cup diameter17.07 mm
Cup depthMedium
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
vs
Mouthpiece B
Bruno Tilz 210-S 9 E
• Flugelhorn
CatalogCup diameter17.00 mm
Cup depthDeep
Rim width—
Throat diameter3.70 mm
Backbore—
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
Cup Diameter
The Bob Reeves 43/F has a cup diameter of 17.07 mm compared to 17.00 mm on the Bruno Tilz 210-S 9 E — a difference of +0.07 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bruno Tilz 210-S 9 E has a deep cup while the Bob Reeves 43/F has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
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.