Bob Reeves 42/B/692sL vs Giardinelli 7V
The Bob Reeves 42/B/692sL has a wider cup diameter.
Mouthpiece A
Bob Reeves 42/B/692sL
• Cornet
Cup diameter16.67 mm / 0.6563 in
Cup depthVery deep
Rim width—
Throat diameter—
Backbore692sL
Finish—
Material—
vs
Mouthpiece B
Giardinelli 7V
• Cornet
Cup diameter16.50 mm / 0.6496 in
Cup depthVery deep
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
Cup Diameter
The Bob Reeves 42/B/692sL has a cup diameter of 16.67 mm / 0.6563 in compared to 16.50 mm / 0.6496 in on the Giardinelli 7V — 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 very 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.