Bruno Tilz 211-D 7 vs Yamaha HR-35C4
The Bruno Tilz 211-D 7 has a wider cup diameter, the Yamaha HR-35C4 features a deeper cup, the Bruno Tilz 211-D 7 has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bruno Tilz 211-D 7
• French Horn
CatalogCup diameter19.00 mm / 0.7480 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Yamaha HR-35C4
• French Horn
Cup diameter18.08 mm / 0.7118 in
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Bruno Tilz 211-D 7 has a cup diameter of 19.00 mm / 0.7480 in compared to 18.08 mm / 0.7118 in on the Yamaha HR-35C4 — a difference of 0.92 mm / 0.0362 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.