Which has a bigger cup — Bach 12C or Monette Unity TS11?

The Monette Unity TS11 has a cup diameter of 24.70 mm / 0.9724 in compared to 24.50 mm / 0.9646 in on the Bach 12C — a difference of 0.20 mm / 0.0079 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 12C and Monette Unity TS11?

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

Bach 12C vs Monette Unity TS11

Name: Monette Unity TS11
Brand: Monette

The Monette Unity TS11 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 12C

• Trombone

Finish—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Monette Unity TS11

• Trombone

Finish—

Best suited for

📣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 12C details Monette Unity TS11 details Bach 12C equivalents Monette Unity TS11 equivalents

Bach 12C vs Monette Unity TS11

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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Compare Monette Unity TS11 with others

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