Bruno Tilz 211-B 13 vs Bruno Tilz 211-B 3
the Bruno Tilz 211-B 13 has a larger throat opening.
Mouthpiece A
Bruno Tilz 211-B 13
• French Horn
CatalogCup diameter17.00 mm
Cup depthMedium
Rim width—
Throat diameter3.90 mm
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Bruno Tilz 211-B 3
• French Horn
CatalogCup diameter17.00 mm
Cup depthMedium
Rim width—
Throat diameter3.70 mm
Backbore—
Finish—
Material—
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 17.00 mm.
Cup Depth
Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
The Bruno Tilz 211-B 13 has a wider throat (3.90 mm vs 3.70 mm). A wider throat allows more air through, increasing volume and projection but reducing resistance.
Which is better?
Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.