Bob Reeves 42/C/2 vs Giardinelli 7C
The Bob Reeves 42/C/2 has a wider cup diameter.
Mouthpiece A
Bob Reeves 42/C/2
• Cornet
Cup diameter16.67 mm / 0.6563 in
Cup depthDeep
Rim width—
Throat diameter—
Backbore2
Finish—
Material—
vs
Mouthpiece B
Giardinelli 7C
• Cornet
Cup diameter16.50 mm / 0.6496 in
Cup depthDeep
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
Cup Diameter
The Bob Reeves 42/C/2 has a cup diameter of 16.67 mm / 0.6563 in compared to 16.50 mm / 0.6496 in on the Giardinelli 7C — a difference of 0.17 mm / 0.0067 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a deep cup depth, so the sound character from depth alone will be very similar.
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.