Schilke 47 vs Schilke 47C4
The Schilke 47C4 has a wider cup diameter.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Schilke 47
• Trombone
Throat diameter5.95 mm / 0.2343 in
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Schilke 47C4
• 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.