Bruno Tilz 211-B 13 vs Bruno Tilz 211-B 5
The Bruno Tilz 211-B 5 has a wider cup diameter, the Bruno Tilz 211-B 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-B 13
• French Horn
CatalogCup diameter17.00 mm
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Bruno Tilz 211-B 5
• French Horn
CatalogCup diameter18.00 mm
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Bruno Tilz 211-B 5 has a cup diameter of 18.00 mm compared to 17.00 mm on the Bruno Tilz 211-B 13 — a difference of +1.00 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Which is better?
Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.