Which has a bigger cup — Bach 10½E or Marcinkiewicz 2S?

The Marcinkiewicz 2S has a cup diameter of 17.27 mm / 0.6799 in compared to 15.90 mm / 0.6260 in on the Bach 10½E — a difference of 1.37 mm / 0.0539 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 10½E and Marcinkiewicz 2S?

Both mouthpieces share a shallow cup depth, so the sound character from depth alone will be very similar.

Bach 10½E vs Marcinkiewicz 2S

Name: Marcinkiewicz 2S
Brand: Marcinkiewicz

The Marcinkiewicz 2S has a wider cup diameter, the Marcinkiewicz 2S has a larger throat opening.

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 10½E

• Cornet

Backbore—

Best suited for

🎺Lead / commercial — shallow cup for brightness and range

Mouthpiece B

Marcinkiewicz 2S

• Cornet

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.