Yamaha HR-32B vs Yamaha HR-32B
Both mouthpieces share similar core dimensions — the differences are in the details.
Mouthpiece A
Yamaha HR-32B
• French Horn
Cup diameter17.67 mm
Cup depthShallow
Rim width—
Throat diameter3.90 mm
BackboreSemi-wide
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Yamaha HR-32B
• French Horn
Cup diameter17.67 mm
Cup depthShallow
Rim width—
Throat diameter3.90 mm
BackboreSemi-wide
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 17.67 mm.
Cup Depth
Both mouthpieces share a shallow cup depth, so the sound character from depth alone will be very similar.
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.