Which has a bigger cup — Bach 5C or Monette Unity DM-4LD?

The Monette Unity DM-4LD has a cup diameter of 16.30 mm / 0.6417 in compared to 16.25 mm / 0.6398 in on the Bach 5C — a difference of 0.05 mm / 0.0020 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 5C and Monette Unity DM-4LD?

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

Bach 5C vs Monette Unity DM-4LD

Name: Monette Unity DM-4LD
Brand: Monette

The Monette Unity DM-4LD 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 5C

• Trumpet

Throat diameter3.66 mm / 0.1441 in

Best suited for

🎵All-round versatile — balanced cup for general playing

Mouthpiece B

Monette Unity DM-4LD

• 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 5C details Monette Unity DM-4LD details Bach 5C equivalents Monette Unity DM-4LD equivalents

Bach 5C vs Monette Unity DM-4LD

Throat Diameter

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

Compare Bach 5C with others

Compare Monette Unity DM-4LD with others

Popular Trumpet comparisons

Bach vs Monette

Browse by specification