Bob Reeves 40/B/X vs Giardinelli 7VM
The Giardinelli 7VM has a wider cup diameter, the Bob Reeves 40/B/X features a deeper cup.
Mouthpiece A
Bob Reeves 40/B/X
• Cornet
Cup diameter15.88 mm / 0.6252 in
Cup depthVery deep
Rim width—
Throat diameter—
BackboreX
Finish—
Material—
vs
Mouthpiece B
Giardinelli 7VM
• Cornet
Cup diameter16.50 mm / 0.6496 in
Cup depthMedium
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
Best suited for
All-round versatile — balanced cup for general playing
Cup Diameter
The Giardinelli 7VM has a cup diameter of 16.50 mm / 0.6496 in compared to 15.88 mm / 0.6252 in on the Bob Reeves 40/B/X — a difference of 0.62 mm / 0.0244 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bob Reeves 40/B/X has a very deep cup while the Giardinelli 7VM 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.