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

The Schilke 40 has a cup diameter of 22.53 mm / 0.8870 in compared to 22.51 mm / 0.8862 in on the Schilke 40B — a difference of 0.02 mm / 0.0008 in. A wider cup generally produces a fuller, darker tone but requires more air support.

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

The Schilke 40 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 40 vs Schilke 40B

Name: Schilke 40B
Brand: Schilke

The Schilke 40 has a wider cup diameter, the Schilke 40 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 40

• Trombone

Material—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Schilke 40B

• 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.