Which has a bigger cup — Bach 22 or Schilke 42B?

The Bach 22 has a cup diameter of 23.92 mm / 0.9417 in compared to 22.99 mm / 0.9051 in on the Schilke 42B — a difference of 0.93 mm / 0.0366 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 22 and Schilke 42B?

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

Bach 22 vs Schilke 42B

Name: Schilke 42B
Brand: Schilke

The Bach 22 has a wider cup diameter, the Schilke 42B 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 22

• Trombone

Rim width—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Schilke 42B

• Trombone

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.

Open in interactive tool + Add third mouthpiece Bach 22 details Schilke 42B details Bach 22 equivalents Schilke 42B equivalents

Bach 22 vs Schilke 42B

Playing Characteristics

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What Changes If You Switch?

Which is better?

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