Which has a bigger cup — Bach 2¾C or Yamaha CR-11C4L?

The Yamaha CR-11C4L has a cup diameter of 16.46 mm / 0.6480 in compared to 16.40 mm / 0.6457 in on the Bach 2¾C — a difference of 0.06 mm / 0.0024 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 2¾C and Yamaha CR-11C4L?

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

Bach 2¾C vs Yamaha CR-11C4L

Name: Yamaha CR-11C4L
Brand: Yamaha

The Yamaha CR-11C4L has a wider cup diameter, the Bach 2¾C 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 2¾C

• Cornet

Material—

Best suited for

🎵All-round versatile — balanced cup for general playing

Mouthpiece B

Yamaha CR-11C4L

• Cornet

Material—

Best suited for

🎵All-round versatile — balanced cup for general playing

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.

Open in interactive tool + Add third mouthpiece Bach 2¾C details Yamaha CR-11C4L details Bach 2¾C equivalents Yamaha CR-11C4L equivalents

Bach 2¾C vs Yamaha CR-11C4L

Playing Characteristics

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Which is better?

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