Marcinkiewicz CH 3FLD vs Marcinkiewicz 3FLB
the Marcinkiewicz CH 3FLD has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Marcinkiewicz CH 3FLD
• Flugelhorn
Throat diameter4.32 mm / 0.1701 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Marcinkiewicz 3FLB
• Flugelhorn
Throat diameter4.09 mm / 0.1610 in
Best suited for
High-volume projection — open throat for power
Throat Diameter
The Marcinkiewicz CH 3FLD has a wider throat (4.32 mm / 0.1701 in vs 4.09 mm / 0.1610 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.