Bob Reeves Piccolo 43.5/SV/692 vs Yamaha TR-16C4
The Bob Reeves Piccolo 43.5/SV/692 has a wider cup diameter, the Yamaha TR-16C4 features a deeper cup.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Bob Reeves Piccolo 43.5/SV/692
• Trumpet
Cup diameter17.26 mm / 0.6795 in
vs
Mouthpiece B
Yamaha TR-16C4
• Trumpet
Cup diameter17.00 mm / 0.6693 in
Cup Diameter
The Bob Reeves Piccolo 43.5/SV/692 has a cup diameter of 17.26 mm / 0.6795 in compared to 17.00 mm / 0.6693 in on the Yamaha TR-16C4 — a difference of 0.26 mm / 0.0102 in. A wider cup generally produces a fuller, darker tone but requires more air support.
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.