Giardinelli 17S vs Yamaha CR-11C4S
The Yamaha CR-11C4S has a wider cup diameter, the Yamaha CR-11C4S features a deeper cup.
Mouthpiece A
Giardinelli 17S
• Cornet
Cup diameter15.00 mm / 0.5906 in
Cup depthShallow
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
Best suited for
Lead / commercial — shallow cup for brightness and range
vs
Mouthpiece B
Yamaha CR-11C4S
• Cornet
Cup diameter16.46 mm / 0.6480 in
Cup depthMedium
Rim width—
Throat diameter3.65 mm / 0.1437 in
BackboreSemi-narrow
Finish—
Material—
Best suited for
All-round versatile — balanced cup for general playing
Cup Diameter
The Yamaha CR-11C4S has a cup diameter of 16.46 mm / 0.6480 in compared to 15.00 mm / 0.5906 in on the Giardinelli 17S — a difference of 1.46 mm / 0.0575 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Yamaha CR-11C4S has a medium cup while the Giardinelli 17S has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
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.