Conn Precision 4 vs Schilke 45B
the Conn Precision 4 features a deeper cup.
Mouthpiece A
Conn Precision 4
• Trombone
OrchestralCup diameter—
Cup depth
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
Best suited for
Bass trombone
Full rich deep tone quality
vs
Mouthpiece B
Schilke 45B
• Trombone
Cup diameter24.30 mm / 0.9567 in
Cup depthMedium
Rim width—
Throat diameter5.95 mm / 0.2343 in
Backbore15/64 .2344"
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Depth
The Conn Precision 4 has a — cup while the Schilke 45B has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Material
The Conn Precision 4 is described as Silver-plated brass, and the Schilke 45B as unspecified. Material affects mass, warmth, and how quickly the piece responds.
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.
Compare Conn Precision 4 with others
Compare Schilke 45B with others
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