Bruno Tilz 211-DS 6 vs Giardinelli C15
The Bruno Tilz 211-DS 6 has a wider cup diameter, the Giardinelli C15 has a larger throat opening.
Mouthpiece A
Bruno Tilz 211-DS 6
• French Horn
CatalogCup diameter18.50 mm
Cup depthShallow
Rim width—
Throat diameter4.30 mm
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Giardinelli C15
• French Horn
Cup diameter17.50 mm
Cup depthShallow
Rim width—
Throat diameter4.50 mm
Backbore.180"
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Bruno Tilz 211-DS 6 has a cup diameter of 18.50 mm compared to 17.50 mm on the Giardinelli C15 — a difference of +1.00 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a shallow cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
The Giardinelli C15 has a wider throat (4.50 mm vs 4.30 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.