Marcinkiewicz 2S vs Monette Cornet AP1-2L S1
The Marcinkiewicz 2S has a wider cup diameter, the Marcinkiewicz 2S features a deeper cup, the Marcinkiewicz 2S has a larger throat opening.
Cup Diameter
The Marcinkiewicz 2S has a cup diameter of 17.27 mm / 0.6799 in compared to 17.00 mm / 0.6693 in on the Monette Cornet AP1-2L S1 — a difference of 0.27 mm / 0.0106 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Marcinkiewicz 2S has a shallow cup while the Monette Cornet AP1-2L S1 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 2S has a wider throat (3.73 mm / 0.1469 in vs 3.66 mm / 0.1441 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.