Bach 3 vs Bruno Tilz 211-58 F
The Bach 3 has a wider cup diameter, the Bach 3 has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bach 3
• French Horn
Throat diameter4.50 mm
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Bruno Tilz 211-58 F
• French Horn
CatalogThroat diameter3.80 mm
Best suited for
High-volume projection — open throat for power
Throat Diameter
The Bach 3 has a wider throat (4.50 mm vs 3.80 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.