Bach 7C vs Giardinelli 17C
The Bach 7C has a wider cup diameter, the Giardinelli 17C features a deeper cup.
Mouthpiece A
Bach 7C
• Cornet
Cup diameter16.20 mm
Cup depthMedium
Rim width—
Throat diameter3.66 mm
Backbore—
Finish—
Material—
Best suited for
All-round versatile — balanced cup for general playing
vs
Mouthpiece B
Giardinelli 17C
• Cornet
Cup diameter15.00 mm
Cup depthDeep
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
Cup Diameter
The Bach 7C has a cup diameter of 16.20 mm compared to 15.00 mm on the Giardinelli 17C — a difference of +1.20 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Giardinelli 17C has a deep cup while the Bach 7C 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.