Which has a bigger cup — Bach Mega Tone Cornet 3B or Yamaha CR-8D2S?

The Yamaha CR-8D2S has a cup diameter of 16.36 mm / 0.6441 in compared to 16.30 mm / 0.6417 in on the Bach Mega Tone Cornet 3B — 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 Mega Tone Cornet 3B and Yamaha CR-8D2S?

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

Bach Mega Tone Cornet 3B vs Yamaha CR-8D2S

Name: Yamaha CR-8D2S
Brand: Yamaha

The Yamaha CR-8D2S has a wider cup diameter, the Yamaha CR-8D2S 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 Mega Tone Cornet 3B

• Cornet

Backbore—

Mouthpiece B

Yamaha CR-8D2S

• Cornet

BackboreWide

Best suited for

📣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.

Open in interactive tool + Add third mouthpiece Bach Mega Tone Cornet 3B details Yamaha CR-8D2S details Bach Mega Tone Cornet 3B equivalents Yamaha CR-8D2S equivalents

Bach Mega Tone Cornet 3B vs Yamaha CR-8D2S

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Bach Mega Tone Cornet 3B with others

Compare Yamaha CR-8D2S with others

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