Yamaha HR-32B vs Yamaha HR-32B
Both mouthpieces share similar core dimensions — the differences are in the details.
The internal diameter of the cup, measured at the widest point inside the rim.
Mouthpiece A
Yamaha HR-32B
• French Horn
Cup diameter17.67 mm
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Yamaha HR-32B
• French Horn
Cup diameter17.67 mm
Best suited for
High-volume projection — open throat for power
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 17.67 mm.
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.