Bach 5GS (small shank) vs Schilke 50C4
The Bach 5GS (small shank) has a wider cup diameter, the Bach 5GS (small shank) has a larger throat opening.
Cup Diameter
The Bach 5GS (small shank) has a cup diameter of 25.50 mm / 1.0039 in compared to 25.40 mm / 1.0000 in on the Schilke 50C4 — a difference of 0.10 mm / 0.0039 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a deep cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
The Bach 5GS (small shank) has a wider throat (6.63 mm / 0.2610 in vs 6.53 mm / 0.2571 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 Bach 5GS (small shank) with others
Compare Schilke 50C4 with others
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