Which has a bigger cup — Bach 8½A or Yamaha CR-DUTOT-S?

The Yamaha CR-DUTOT-S has a cup diameter of 16.90 mm / 0.6654 in compared to 16.10 mm / 0.6339 in on the Bach 8½A — a difference of 0.80 mm / 0.0315 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 8½A and Yamaha CR-DUTOT-S?

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

Bach 8½A vs Yamaha CR-DUTOT-S

Name: Yamaha CR-DUTOT-S
Brand: Yamaha

The Yamaha CR-DUTOT-S has a wider cup diameter, the Yamaha CR-DUTOT-S 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 8½A

• Cornet

Backbore—

Mouthpiece B

Yamaha CR-DUTOT-S

• Cornet

BackboreWide

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.

Open in interactive tool + Add third mouthpiece Bach 8½A details Yamaha CR-DUTOT-S details Bach 8½A equivalents Yamaha CR-DUTOT-S equivalents

Bach 8½A vs Yamaha CR-DUTOT-S

Playing Characteristics

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What Changes If You Switch?

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