Bruno Tilz 211-D 7 vs Kelly MC
The Bruno Tilz 211-D 7 has a wider cup diameter, the Kelly MC features a deeper cup, the Bruno Tilz 211-D 7 has a larger throat opening.
Base metal or construction (e.g. brass, stainless steel, plastic). Influences weight, response, and tone color.
Mouthpiece A
Bruno Tilz 211-D 7
• French Horn
CatalogMaterial—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Kelly MC
• French Horn
GeneralMaterialLexan polycarbonate
Best suited for
High-volume projection — open throat for power
All-purpose French horn
Material
The Bruno Tilz 211-D 7 is described as unspecified, and the Kelly MC as Lexan polycarbonate. Material affects mass, warmth, and how quickly the piece responds.
Which is better?
The Bruno Tilz 211-D 7 is designed for catalog playing, while the Kelly MC targets general use. Your best choice depends on your musical context.