Bob Reeves 42/B/s vs Schilke 16C4Heavyweight
The Schilke 16C4Heavyweight has a wider cup diameter, the Bob Reeves 42/B/s features a deeper cup.
Mouthpiece A
Bob Reeves 42/B/s
• Trumpet
Cup diameter16.67 mm
Cup depthVery deep
Rim width—
Throat diameter—
Backbores
Finish—
Material—
vs
Mouthpiece B
Schilke 16C4Heavyweight
• Trumpet
Cup diameter17.20 mm
Cup depthMedium
Rim width—
Throat diameter3.65 mm
Backbore26
Finish—
Material—
Cup Diameter
The Schilke 16C4Heavyweight has a cup diameter of 17.20 mm compared to 16.67 mm on the Bob Reeves 42/B/s — a difference of +0.53 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bob Reeves 42/B/s has a very deep cup while the Schilke 16C4Heavyweight 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.