Schilke 38D vs Schilke 38D
Both mouthpieces share similar core dimensions — the differences are in the details.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Schilke 38D
• Baritone / Euphonium
Cup diameter19.73 mm / 0.7768 in
vs
Mouthpiece B
Schilke 38D
• Baritone / Euphonium
Cup diameter19.73 mm / 0.7768 in
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 19.73 mm / 0.7768 in.
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.