Bach 2½C vs Marcinkiewicz 306
The Marcinkiewicz 306 has a wider cup diameter, the Bach 2½C features a deeper cup, the Marcinkiewicz 306 has a larger throat opening.
Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.
Mouthpiece A
Bach 2½C
• Cornet
Finish—
Best suited for
All-round versatile — balanced cup for general playing
vs
Mouthpiece B
Marcinkiewicz 306
• Cornet
Finish—
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.