Which has a bigger cup — Marcinkiewicz 302 or Marcinkiewicz 306?

Both mouthpieces have virtually identical cup diameters at 17.20 mm / 0.6772 in.

How does cup depth compare between Marcinkiewicz 302 and Marcinkiewicz 306?

The Marcinkiewicz 306 has a shallow cup while the Marcinkiewicz 302 has a very shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Marcinkiewicz 302 vs Marcinkiewicz 306

Name: Marcinkiewicz 306
Brand: Marcinkiewicz

the Marcinkiewicz 306 features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Marcinkiewicz 302

• Cornet

Material—

Mouthpiece B

Marcinkiewicz 306

• Cornet

Material—

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.