Which has a bigger cup — Bach 22 or Schilke 45B?

The Schilke 45B has a cup diameter of 24.30 mm / 0.9567 in compared to 23.92 mm / 0.9417 in on the Bach 22 — a difference of 0.38 mm / 0.0150 in. A wider cup generally produces a fuller, darker tone but requires more air support.

Bach 22 vs Schilke 45B

Name: Schilke 45B
Brand: Schilke

The Schilke 45B has a wider cup diameter, the Schilke 45B has a larger throat opening.

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

How deep the cup is, from shallow (brighter, easier high register) to deep (darker, fuller sound).

Mouthpiece A

Bach 22

• Trombone

Cup depthMedium

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Schilke 45B

• Trombone

Cup depthMedium

Best suited for

📣High-volume projection — open throat for power

Cup Depth

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

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 45B details Bach 22 equivalents Schilke 45B equivalents

Bach 22 vs Schilke 45B

Cup Depth

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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Compare Schilke 45B with others

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