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

Mouthpiece A

Bach Mega Tone Cornet 3B

• Cornet

Rim width—

Mouthpiece B

Yamaha CR-8D2S

• Cornet

Rim width—

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

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What Changes If You Switch?

Which is better?

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