Bruno Tilz 211-58 vs Yamaha HR-SOMMERVILLE
The Bruno Tilz 211-58 has a wider cup diameter, the Yamaha HR-SOMMERVILLE has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bruno Tilz 211-58
• French Horn
CatalogThroat diameter3.90 mm
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Yamaha HR-SOMMERVILLE
• French Horn
Throat diameter4.30 mm
Best suited for
High-volume projection — open throat for power
Throat Diameter
The Yamaha HR-SOMMERVILLE has a wider throat (4.30 mm vs 3.90 mm). A wider throat allows more air through, increasing volume and projection but reducing resistance.
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.