Bruno Tilz 211-T 5 vs Yamaha HR-34C
The Bruno Tilz 211-T 5 has a wider cup diameter, the Bruno Tilz 211-T 5 features a deeper cup, the Bruno Tilz 211-T 5 has a larger throat opening.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bruno Tilz 211-T 5
• French Horn
CatalogCup diameter18.00 mm / 0.7087 in
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
vs
Mouthpiece B
Yamaha HR-34C
• French Horn
Cup diameter17.81 mm / 0.7012 in
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Bruno Tilz 211-T 5 has a cup diameter of 18.00 mm / 0.7087 in compared to 17.81 mm / 0.7012 in on the Yamaha HR-34C — a difference of 0.19 mm / 0.0075 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.