Marcinkiewicz CH R 7S vs Marcinkiewicz 3
The Marcinkiewicz 3 has a wider cup diameter, the Marcinkiewicz CH R 7S features a deeper cup, the Marcinkiewicz 3 has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Marcinkiewicz CH R 7S
• French Horn
Throat diameter5.11 mm / 0.2012 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Marcinkiewicz 3
• French Horn
Throat diameter5.41 mm / 0.2130 in
Best suited for
High-volume projection — open throat for power
Throat Diameter
The Marcinkiewicz 3 has a wider throat (5.41 mm / 0.2130 in vs 5.11 mm / 0.2012 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.