Bruno Tilz 213- D 3 vs Bruno Tilz 213-H 3
Both mouthpieces share similar core dimensions — the differences are in the details.
Mouthpiece A
Bruno Tilz 213- D 3
• Baritone / Euphonium
CatalogCup diameter24.00 mm / 0.9449 in
Cup depthMedium
Rim width—
Throat diameter4.80 mm / 0.1890 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Bruno Tilz 213-H 3
• Baritone / Euphonium
CatalogCup diameter24.00 mm / 0.9449 in
Cup depthMedium
Rim width—
Throat diameter4.80 mm / 0.1890 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 24.00 mm / 0.9449 in.
Cup Depth
Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
Throat diameters are essentially identical at 4.80 mm / 0.1890 in, so resistance feel will be comparable.
Which is better?
Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.