Bruno Tilz 214-D 5 vs Bruno Tilz 305-6 G
the Bruno Tilz 305-6 G features a deeper cup, the Bruno Tilz 305-6 G has a larger throat opening.
Mouthpiece A
Bruno Tilz 214-D 5
• Trombone
CatalogCup diameter26.00 mm / 1.0236 in
Cup depthMedium
Rim width—
Throat diameter6.30 mm / 0.2480 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Bruno Tilz 305-6 G
• Trombone
CatalogCup diameter26.00 mm / 1.0236 in
Cup depthDeep
Rim width—
Throat diameter6.80 mm / 0.2677 in
Backbore—
Finish—
Material—
Best suited for
Orchestral playing — large cup for full, dark tone
High-volume projection — open throat for power
Cup Diameter
Both mouthpieces have virtually identical cup diameters at 26.00 mm / 1.0236 in.
Cup Depth
The Bruno Tilz 305-6 G has a deep cup while the Bruno Tilz 214-D 5 has a medium cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Throat Diameter
The Bruno Tilz 305-6 G has a wider throat (6.80 mm / 0.2677 in vs 6.30 mm / 0.2480 in). A wider throat allows more air through, increasing volume and projection but reducing resistance.
Which is better?
Both mouthpieces are categorized as "Catalog" — the physical dimensions above will determine which suits your embouchure and playing style better.