Bruno Tilz 211-58 vs Bruno Tilz 211-B 13
Both mouthpieces share similar core dimensions — the differences are in the details.
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
Bruno Tilz 211-B 13
• French Horn
CatalogThroat diameter3.90 mm
Best suited for
High-volume projection — open throat for power
Throat Diameter
Throat diameters are essentially identical at 3.90 mm, so resistance feel will be comparable.
Which is better?
Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.