Which has a bigger cup — Bach 1½C or Marcinkiewicz 2 / 7B?

The Marcinkiewicz 2 / 7B has a cup diameter of 17.27 mm / 0.6799 in compared to 17.00 mm / 0.6693 in on the Bach 1½C — a difference of 0.27 mm / 0.0106 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 1½C and Marcinkiewicz 2 / 7B?

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

Bach 1½C vs Marcinkiewicz 2 / 7B

Name: Marcinkiewicz 2 / 7B
Brand: Marcinkiewicz

The Marcinkiewicz 2 / 7B has a wider cup diameter, the Marcinkiewicz 2 / 7B has a larger throat opening.

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

The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.

Mouthpiece A

Bach 1½C

• Cornet

Rim width—

Mouthpiece B

Marcinkiewicz 2 / 7B

• Cornet

Rim width—

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.