Marcinkiewicz CH 1S vs Marcinkiewicz 3
the Marcinkiewicz 3 features a deeper cup, the Marcinkiewicz CH 1S has a larger throat opening.
Mouthpiece A
Marcinkiewicz CH 1S
• French Horn
Cup diameter17.91 mm / 0.7051 in
Cup depthVery shallow
Rim width—
Throat diameter5.79 mm / 0.2280 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Marcinkiewicz 3
• French Horn
Cup diameter17.91 mm / 0.7051 in
Cup depthShallow
Rim width—
Throat diameter5.41 mm / 0.2130 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 17.91 mm / 0.7051 in.
Cup Depth
The Marcinkiewicz 3 has a shallow cup while the Marcinkiewicz CH 1S has a very shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Marcinkiewicz CH 1S has a wider throat (5.79 mm / 0.2280 in vs 5.41 mm / 0.2130 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.