Bruno Tilz 211-58 F vs Yamaha HR-32-GP
The Yamaha HR-32-GP has a wider cup diameter, the Yamaha HR-32-GP has a larger throat opening.
Mouthpiece A
Bruno Tilz 211-58 F
• French Horn
CatalogCup diameter17.00 mm
Cup depthMedium
Rim width—
Throat diameter3.80 mm
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Yamaha HR-32-GP
• French Horn
Cup diameter17.48 mm
Cup depthMedium
Rim width—
Throat diameter4.40 mm
BackboreSemi-narrow
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Yamaha HR-32-GP has a cup diameter of 17.48 mm compared to 17.00 mm on the Bruno Tilz 211-58 F — a difference of +0.48 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
The Yamaha HR-32-GP has a wider throat (4.40 mm vs 3.80 mm). A wider throat allows more air through, increasing volume and projection but reducing resistance.
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.