Yamaha HR-28B vs Yamaha HR-32B
The Yamaha HR-32B has a wider cup diameter.
The narrowest point at the bottom of the cup. Affects resistance, volume, and tone color.
Mouthpiece A
Yamaha HR-28B
• French Horn
Throat diameter3.90 mm
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Yamaha HR-32B
• French Horn
Throat diameter3.90 mm
Best suited for
High-volume projection — open throat for power
Throat Diameter
Throat diameters are essentially identical at 3.90 mm, so resistance feel will be comparable.
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.