Bruno Tilz 211-T 7 vs Marcinkiewicz CH EF 21J. Cox
The Bruno Tilz 211-T 7 has a wider cup diameter, the Marcinkiewicz CH EF 21J. Cox features a deeper cup, the Marcinkiewicz CH EF 21J. Cox has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bruno Tilz 211-T 7
• 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
vs
Mouthpiece B
Marcinkiewicz CH EF 21J. Cox
• French Horn
Throat diameter4.57 mm / 0.1799 in
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
Throat Diameter
The Marcinkiewicz CH EF 21J. Cox has a wider throat (4.57 mm / 0.1799 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.