Bruno Tilz 211-58 vs Yamaha HR-28B
The Bruno Tilz 211-58 has a wider cup diameter, the Bruno Tilz 211-58 features a deeper cup.
Mouthpiece A
Bruno Tilz 211-58
• French Horn
CatalogCup diameter17.00 mm
Cup depthMedium
Rim width—
Throat diameter3.90 mm
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Yamaha HR-28B
• French Horn
Cup diameter16.87 mm
Cup depthShallow
Rim width—
Throat diameter3.90 mm
BackboreSemi-wide
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Bruno Tilz 211-58 has a cup diameter of 17.00 mm compared to 16.87 mm on the Yamaha HR-28B — a difference of +0.13 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bruno Tilz 211-58 has a medium cup while the Yamaha HR-28B has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
Throat diameters are essentially identical at 3.90 mm, so resistance feel will be comparable.
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.