Which has a bigger cup — Bach 8½C or Monette Cornet B4 rim?

The Monette Cornet B4 rim has a cup diameter of 16.20 mm / 0.6378 in compared to 16.10 mm / 0.6339 in on the Bach 8½C — a difference of 0.10 mm / 0.0039 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 8½C and Monette Cornet B4 rim?

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

Bach 8½C vs Monette Cornet B4 rim

Name: Monette Cornet B4 rim
Brand: Monette

The Monette Cornet B4 rim has a wider cup diameter.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.

Mouthpiece A

Bach 8½C

• Cornet

Finish—

Best suited for

🎵All-round versatile — balanced cup for general playing

Mouthpiece B

Monette Cornet B4 rim

• Cornet

Finish—

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 8½C details Monette Cornet B4 rim details Bach 8½C equivalents Monette Cornet B4 rim equivalents

Bach 8½C vs Monette Cornet B4 rim

Playing Characteristics

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What Changes If You Switch?

Which is better?

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