Which has a bigger cup — Marcinkiewicz 314 or Yamaha CR-14ES-GP?

The Marcinkiewicz 314 has a cup diameter of 17.20 mm / 0.6772 in compared to 16.86 mm / 0.6638 in on the Yamaha CR-14ES-GP — a difference of 0.34 mm / 0.0134 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Marcinkiewicz 314 and Yamaha CR-14ES-GP?

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

Marcinkiewicz 314 vs Yamaha CR-14ES-GP

Name: Yamaha CR-14ES-GP
Brand: Yamaha

The Marcinkiewicz 314 has a wider cup diameter, the Yamaha CR-14ES-GP 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

Marcinkiewicz 314

• Cornet

Backbore—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

Mouthpiece B

Yamaha CR-14ES-GP

• Cornet

BackboreStandard

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📣High-volume projection — open throat for power

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.

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Marcinkiewicz 314 vs Yamaha CR-14ES-GP

Playing Characteristics

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