Which has a bigger cup — Bach 1 or Marcinkiewicz 11S?

The Bach 1 has a cup diameter of 17.50 mm / 0.6890 in compared to 16.31 mm / 0.6421 in on the Marcinkiewicz 11S — a difference of 1.19 mm / 0.0469 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 1 and Marcinkiewicz 11S?

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

Bach 1 vs Marcinkiewicz 11S

Name: Marcinkiewicz 11S
Brand: Marcinkiewicz

The Bach 1 has a wider cup diameter, the Marcinkiewicz 11S has a larger throat opening.

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

Bach 1

• Trumpet

Material—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

Mouthpiece B

Marcinkiewicz 11S

• Trumpet

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.