Which has a bigger cup — Bach 22C or Schilke 43A?

The Bach 22C has a cup diameter of 23.92 mm / 0.9417 in compared to 23.57 mm / 0.9280 in on the Schilke 43A — a difference of 0.35 mm / 0.0138 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bach 22C and Schilke 43A?

The Schilke 43A has a medium cup while the Bach 22C has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.

Bach 22C vs Schilke 43A

Name: Schilke 43A
Brand: Schilke

The Bach 22C has a wider cup diameter, the Schilke 43A features a deeper cup, the Schilke 43A has a larger throat opening.

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

The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.

Mouthpiece A

Bach 22C

• Trombone

Rim width—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Schilke 43A

• Trombone

Rim width—

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.

Open in interactive tool + Add third mouthpiece Bach 22C details Schilke 43A details Bach 22C equivalents Schilke 43A equivalents

Bach 22C vs Schilke 43A

Playing Characteristics

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Which is better?

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