Which has a bigger cup — Bach 9D or Monette Cornet E4S S2?

The Monette Cornet E4S S2 has a cup diameter of 16.20 mm / 0.6378 in compared to 16.05 mm / 0.6319 in on the Bach 9D — a difference of 0.15 mm / 0.0059 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 9D and Monette Cornet E4S S2?

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

Bach 9D vs Monette Cornet E4S S2

Name: Monette Cornet E4S S2
Brand: Monette

The Monette Cornet E4S S2 has a wider cup diameter.

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 9D

• Cornet

Backbore—

Best suited for

🎺Lead / commercial — shallow cup for brightness and range

Mouthpiece B

Monette Cornet E4S S2

• Cornet

Backbore—

Best suited for

🎺Lead / commercial — shallow cup for brightness and range

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 9D details Monette Cornet E4S S2 details Bach 9D equivalents Monette Cornet E4S S2 equivalents

Bach 9D vs Monette Cornet E4S S2

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