Which has a bigger cup — Bach 3C or Marcinkiewicz CH 13?

Both mouthpieces have virtually identical cup diameters at 16.30 mm / 0.6417 in.

How does cup depth compare between Bach 3C and Marcinkiewicz CH 13?

The Marcinkiewicz CH 13 has a very deep cup while the Bach 3C has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 3C vs Marcinkiewicz CH 13

Name: Marcinkiewicz CH 13
Brand: Marcinkiewicz

the Marcinkiewicz CH 13 features a deeper cup.

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

The taper behind the throat leading to the shank. Affects projection and tone character.

Mouthpiece A

Bach 3C

• Trumpet

Backbore—

Best suited for

🎵All-round versatile — balanced cup for general playing

Mouthpiece B

Marcinkiewicz CH 13

• Trumpet

Backbore—

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.