Marcinkiewicz CH R 9S vs Yamaha HR-29B
The Marcinkiewicz CH R 9S has a wider cup diameter, the Marcinkiewicz CH R 9S features a deeper cup, the Marcinkiewicz CH R 9S has a larger throat opening.
The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.
Mouthpiece A
Marcinkiewicz CH R 9S
• French Horn
Rim width—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Yamaha HR-29B
• French Horn
Rim width—
Best suited for
High-volume projection — open throat for power
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.