Bach 16 vs Marcinkiewicz CH R 5S
The Marcinkiewicz CH R 5S has a wider cup diameter, the Bach 16 features a deeper cup, the Marcinkiewicz CH R 5S has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bach 16
• French Horn
Throat diameter4.50 mm / 0.1772 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Marcinkiewicz CH R 5S
• French Horn
Throat diameter5.23 mm / 0.2059 in
Best suited for
High-volume projection — open throat for power
Throat Diameter
The Marcinkiewicz CH R 5S has a wider throat (5.23 mm / 0.2059 in vs 4.50 mm / 0.1772 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.