Euphonium Mouthpieces Comparison Table

Click the link for the brass model. Plastic models are available HERE


Rim Inner Diameter (ID) measured at .05 inches into cup in inches (mm) 1.01 (25.65) 1.02 (25.91) 1.03 (26.16) 1.04 (26.42) 1.05 (26.67) 1.06 (26.92)

Wedge Model

Comparable Mouthpieces

Wick SM6U
Schilke 51D
Alliance 4A
Wick SM5U
Alliance 3A
Wick SM4U
Alliance 2A
Wick SM3U

Wick SM2U

Outer Diameter (OD) inches

1.564

1.574

1.584

1.594

1.604

1.614

Throat Size

.285 inch

(7.24 mm)

.300 inch

(7.62 mm)

.300 inch

(7.62 mm)

.300 inch

(7.62 mm)

.300 inch

(7.62 mm)

.300 inch

(7.62 mm)