Monette Vintage D5L S1 vs Schilke 13A4a
The Schilke 13A4a has a wider cup diameter, the Schilke 13A4a features a deeper cup.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Monette Vintage D5L S1
• Trumpet
Cup diameter16.25 mm / 0.6398 in
vs
Mouthpiece B
Schilke 13A4a
• Trumpet
Cup diameter16.76 mm / 0.6598 in
Cup Diameter
The Schilke 13A4a has a cup diameter of 16.76 mm / 0.6598 in compared to 16.25 mm / 0.6398 in on the Monette Vintage D5L S1 — a difference of 0.51 mm / 0.0201 in. A wider cup generally produces a fuller, darker tone but requires more air support.
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.