Bach 12 vs Bruno Tilz 211-TS 6
The Bruno Tilz 211-TS 6 has a wider cup diameter, the Bruno Tilz 211-TS 6 features a deeper cup, the Bach 12 has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bach 12
• French Horn
Throat diameter4.50 mm / 0.1772 in
Best suited for
All-round versatile — balanced cup for general playing
High-volume projection — open throat for power
vs
Mouthpiece B
Bruno Tilz 211-TS 6
• French Horn
CatalogThroat diameter4.30 mm / 0.1693 in
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
Throat Diameter
The Bach 12 has a wider throat (4.50 mm / 0.1772 in vs 4.30 mm / 0.1693 in). 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.