Bruno Tilz 211-B 11 vs Bruno Tilz 211-C 5
the Bruno Tilz 211-C 5 features a deeper cup, the Bruno Tilz 211-C 5 has a larger throat opening.
Mouthpiece A
Bruno Tilz 211-B 11
• French Horn
CatalogCup diameter18.00 mm / 0.7087 in
Cup depthShallow
Rim width—
Throat diameter4.10 mm / 0.1614 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Bruno Tilz 211-C 5
• French Horn
CatalogCup diameter18.00 mm / 0.7087 in
Cup depthMedium
Rim width—
Throat diameter4.20 mm / 0.1654 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 18.00 mm / 0.7087 in.
Cup Depth
The Bruno Tilz 211-C 5 has a medium cup while the Bruno Tilz 211-B 11 has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Bruno Tilz 211-C 5 has a wider throat (4.20 mm / 0.1654 in vs 4.10 mm / 0.1614 in). 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.