Schilke 32 vs Yamaha HR-29B
The Schilke 32 has a wider cup diameter, the Schilke 32 features a deeper cup.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Schilke 32
• French Horn
Cup diameter17.83 mm / 0.7020 in
vs
Mouthpiece B
Yamaha HR-29B
• French Horn
Cup diameter17.07 mm / 0.6720 in
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Schilke 32 has a cup diameter of 17.83 mm / 0.7020 in compared to 17.07 mm / 0.6720 in on the Yamaha HR-29B — a difference of 0.76 mm / 0.0299 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.