Which has a bigger cup — Schilke S-H or Yamaha BB-65?

The Schilke S-H has a cup diameter of 31.84 mm / 1.2535 in compared to 30.95 mm / 1.2185 in on the Yamaha BB-65 — a difference of 0.89 mm / 0.0350 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Schilke S-H and Yamaha BB-65?

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

Schilke S-H vs Yamaha BB-65

Name: Yamaha BB-65
Brand: Yamaha

The Schilke S-H has a wider cup diameter, the Yamaha BB-65 has a larger throat opening.

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

The taper behind the throat leading to the shank. Affects projection and tone character.

Mouthpiece A

Schilke S-H

• Tuba

BackboreM.295"

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Yamaha BB-65

• Tuba

BackboreSemi-wide

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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Schilke S-H vs Yamaha BB-65

Playing Characteristics

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What Changes If You Switch?

Which is better?

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