Bach 1¼C vs Giardinelli 1B
The Giardinelli 1B has a wider cup diameter, the Giardinelli 1B features a deeper cup.
Mouthpiece A
Bach 1¼C
• Trumpet
Cup diameter17.00 mm / 0.6693 in
Cup depthMedium
Rim width—
Throat diameter3.66 mm / 0.1441 in
Backbore—
Finish—
Material—
vs
Mouthpiece B
Giardinelli 1B
• Trumpet
Cup diameter17.50 mm / 0.6890 in
Cup depthVery deep
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
Cup Diameter
The Giardinelli 1B has a cup diameter of 17.50 mm / 0.6890 in compared to 17.00 mm / 0.6693 in on the Bach 1¼C — a difference of 0.50 mm / 0.0197 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Giardinelli 1B has a very deep cup while the Bach 1¼C 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.