Which has a bigger cup — Bruno Tilz 213-H 1 or Yamaha AH-37C4?

The Bruno Tilz 213-H 1 has a cup diameter of 22.00 mm / 0.8661 in compared to 18.60 mm / 0.7323 in on the Yamaha AH-37C4 — a difference of 3.40 mm / 0.1339 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bruno Tilz 213-H 1 and Yamaha AH-37C4?

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

Bruno Tilz 213-H 1 vs Yamaha AH-37C4

Name: Yamaha AH-37C4
Brand: Yamaha

The Bruno Tilz 213-H 1 has a wider cup diameter, the Yamaha AH-37C4 has a larger throat opening.

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

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Bruno Tilz 213-H 1

• Baritone / Euphonium

Catalog

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Yamaha AH-37C4

• Baritone / Euphonium

Material—

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.

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Bruno Tilz 213-H 1 vs Yamaha AH-37C4

Playing Characteristics

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Which is better?

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