Which has a bigger cup — Bruno Tilz 210-S 8 or Bruno Tilz 301-7 C?

Both mouthpieces have virtually identical cup diameters at 17.00 mm / 0.6693 in.

How does cup depth compare between Bruno Tilz 210-S 8 and Bruno Tilz 301-7 C?

Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.

Name: Bruno Tilz 301-7 C
Brand: Bruno Tilz

the Bruno Tilz 210-S 8 has a larger throat opening.

Surface plating or treatment (e.g. silver plate, gold trim). Affects feel, durability, and appearance.

Mouthpiece A

Bruno Tilz 210-S 8

• Flugelhorn

Catalog

Finish—

Mouthpiece B

Bruno Tilz 301-7 C

• Flugelhorn

Catalog

Finish—

Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.