Bob Reeves 40/B/692 vs Bob Reeves 40/D/2
the Bob Reeves 40/B/692 features a deeper cup.
Mouthpiece A
Bob Reeves 40/B/692
• Cornet
Cup diameter15.88 mm / 0.6252 in
Cup depthVery deep
Rim width—
Throat diameter—
Backbore692
Finish—
Material—
vs
Mouthpiece B
Bob Reeves 40/D/2
• Cornet
Cup diameter15.88 mm / 0.6252 in
Cup depthDeep
Rim width—
Throat diameter—
Backbore2
Finish—
Material—
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 15.88 mm / 0.6252 in.
Cup Depth
The Bob Reeves 40/B/692 has a very deep cup while the Bob Reeves 40/D/2 has a deep 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.