Marcinkiewicz CH 5G vs Yamaha SL-48S-GP
The Marcinkiewicz CH 5G has a wider cup diameter, the Yamaha SL-48S-GP features a deeper cup.
Cup Diameter
The Marcinkiewicz CH 5G has a cup diameter of 25.55 mm / 1.0059 in compared to 25.25 mm / 0.9941 in on the Yamaha SL-48S-GP — a difference of 0.30 mm / 0.0118 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Yamaha SL-48S-GP has a medium cup while the Marcinkiewicz CH 5G has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
Throat diameters are essentially identical at 6.63 mm / 0.2610 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.
Compare Marcinkiewicz CH 5G with others
Compare Yamaha SL-48S-GP with others
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