Giardinelli 17M vs Yamaha CR-14ES-GP
The Yamaha CR-14ES-GP has a wider cup diameter, the Yamaha CR-14ES-GP features a deeper cup.
Mouthpiece A
Giardinelli 17M
• Cornet
Cup diameter15.00 mm / 0.5906 in
Cup depthMedium
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
vs
Mouthpiece B
Yamaha CR-14ES-GP
• Cornet
Cup diameter16.86 mm / 0.6638 in
Cup depthVery deep
Rim width—
Throat diameter3.98 mm / 0.1567 in
BackboreStandard
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
Cup Diameter
The Yamaha CR-14ES-GP has a cup diameter of 16.86 mm / 0.6638 in compared to 15.00 mm / 0.5906 in on the Giardinelli 17M — a difference of 1.86 mm / 0.0732 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Yamaha CR-14ES-GP has a very deep cup while the Giardinelli 17M has a medium 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.