Which has a bigger cup — Bach 10½C or Monette C5L Rim?

The Monette C5L Rim has a cup diameter of 16.25 mm / 0.6398 in compared to 15.90 mm / 0.6260 in on the Bach 10½C — a difference of 0.35 mm / 0.0138 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 10½C and Monette C5L Rim?

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

Bach 10½C vs Monette C5L Rim

Name: Monette C5L Rim
Brand: Monette

The Monette C5L Rim has a wider cup diameter.

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

The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.

Mouthpiece A

Bach 10½C

• Trumpet

Throat diameter3.66 mm / 0.1441 in

Mouthpiece B

Monette C5L Rim

• Trumpet

Throat diameter3.66 mm / 0.1441 in

Best suited for

🎵All-round versatile — balanced cup for general playing

Throat Diameter

Throat diameters are essentially identical at 3.66 mm / 0.1441 in, so resistance feel will be comparable.

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 10½C details Monette C5L Rim details Bach 10½C equivalents Monette C5L Rim equivalents

Bach 10½C vs Monette C5L Rim

Throat Diameter

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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