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

The Schilke 42 has a cup diameter of 23.22 mm / 0.9142 in compared to 22.99 mm / 0.9051 in on the Schilke 42B — a difference of 0.23 mm / 0.0091 in. A wider cup generally produces a fuller, darker tone but requires more air support.

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

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

Schilke 42 vs Schilke 42B

Name: Schilke 42B
Brand: Schilke

The Schilke 42 has a wider cup diameter.

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

The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.

Mouthpiece A

Schilke 42

• Trombone

Throat diameter5.95 mm / 0.2343 in

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Schilke 42B

• Trombone

Throat diameter5.95 mm / 0.2343 in

Best suited for

📣High-volume projection — open throat for power

Throat Diameter

Throat diameters are essentially identical at 5.95 mm / 0.2343 in, so resistance feel will be comparable.

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 42 vs Schilke 42B

Throat Diameter

Playing Characteristics

What Do These Model Names Mean?

What Changes If You Switch?

Which is better?

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