Bruno Tilz 214-D 5 vs Marcinkiewicz CH 4 BS
The Marcinkiewicz CH 4 BS has a wider cup diameter, the Marcinkiewicz CH 4 BS has a larger throat opening.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Bruno Tilz 214-D 5
• Trombone
CatalogThroat diameter6.30 mm / 0.2480 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Marcinkiewicz CH 4 BS
• Trombone
Throat diameter7.04 mm / 0.2772 in
Best suited for
High-volume projection — open throat for power
Throat Diameter
The Marcinkiewicz CH 4 BS has a wider throat (7.04 mm / 0.2772 in vs 6.30 mm / 0.2480 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.