Schilke 45B vs Schilke 50C4
The Schilke 50C4 has a wider cup diameter, the Schilke 50C4 features a deeper cup, the Schilke 50C4 has a larger throat opening.
Cup Diameter
The Schilke 50C4 has a cup diameter of 25.40 mm / 1.0000 in compared to 24.30 mm / 0.9567 in on the Schilke 45B — a difference of 1.10 mm / 0.0433 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Schilke 50C4 has a deep 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.
Throat Diameter
The Schilke 50C4 has a wider throat (6.53 mm / 0.2571 in vs 5.95 mm / 0.2343 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.
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 Schilke 45B with others
Compare Schilke 50C4 with others
Popular Trombone comparisons
- Bach 12E vs Bob Reeves 5G Gladstone
- Giardinelli Sym. T vs Bach 12E
- Yamaha SL-YEO-S vs Marcinkiewicz ET3C. Loper
- Denis Wick 6BL vs Conn Connstellation 7CW
- Schilke 45B vs Marcinkiewicz ET3C. Loper
- Conn Connstellation 7CW vs Bach 6½A (small shank)
- Yamaha SL-48DL vs Yamaha SL-YEO-S
- Giardinelli Sym. T vs Bruno Tilz 306-5 GS