Which has a bigger cup — Bach 7 or Schilke S-H?

The Bach 7 has a cup diameter of 33.25 mm / 1.3091 in compared to 31.84 mm / 1.2535 in on the Schilke S-H — a difference of 1.41 mm / 0.0555 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 7 and Schilke S-H?

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

Bach 7 vs Schilke S-H

Name: Schilke S-H
Brand: Schilke

The Bach 7 has a wider cup diameter, the Bach 7 has a larger throat opening.

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

The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.

Mouthpiece A

Bach 7

• Tuba

Rim width—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Schilke S-H

• Tuba

Rim width—

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.