Which has a bigger cup — Schilke 40B or Schilke 42?

The Schilke 42 has a cup diameter of 23.22 mm / 0.9142 in compared to 22.51 mm / 0.8862 in on the Schilke 40B — a difference of 0.71 mm / 0.0280 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Schilke 40B and Schilke 42?

The Schilke 42 has a medium cup while the Schilke 40B has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Schilke 40B vs Schilke 42

Name: Schilke 42
Brand: Schilke

The Schilke 42 has a wider cup diameter, the Schilke 42 features a deeper cup.

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

Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.

Mouthpiece A

Schilke 40B

• Trombone

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Schilke 42

• Trombone

Material—

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.