Which has a bigger cup — Schilke 40 or Schilke 45B?

The Schilke 45B has a cup diameter of 24.30 mm / 0.9567 in compared to 22.53 mm / 0.8870 in on the Schilke 40 — a difference of 1.77 mm / 0.0697 in. A wider cup generally produces a fuller, darker tone but requires more air support.

Schilke 40 vs Schilke 45B

Name: Schilke 45B
Brand: Schilke

The Schilke 45B has a wider cup diameter.

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

Schilke 40

• 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 Schilke 40 details Schilke 45B details Schilke 40 equivalents Schilke 45B equivalents

Schilke 40 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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