Bach 1¼C vs Bob Reeves Piccolo 43N/S/X
The Bob Reeves Piccolo 43N/S/X has a wider cup diameter, the Bach 1¼C features a deeper cup.
Mouthpiece A
Bach 1¼C
• Trumpet
Cup diameter17.00 mm / 0.6693 in
Cup depthMedium
Rim width—
Throat diameter3.66 mm / 0.1441 in
Backbore—
Finish—
Material—
vs
Mouthpiece B
Bob Reeves Piccolo 43N/S/X
• Trumpet
Cup diameter17.07 mm / 0.6720 in
Cup depthShallow
Rim width—
Throat diameter—
BackboreX
Finish—
Material—
Cup Diameter
The Bob Reeves Piccolo 43N/S/X has a cup diameter of 17.07 mm / 0.6720 in compared to 17.00 mm / 0.6693 in on the Bach 1¼C — a difference of 0.07 mm / 0.0028 in. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
The Bach 1¼C has a medium cup while the Bob Reeves Piccolo 43N/S/X has a shallow 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.