Bruno Tilz 213- D 2 vs Schilke 51D
The Schilke 51D has a wider cup diameter, the Schilke 51D has a larger throat opening.
Mouthpiece A
Bruno Tilz 213- D 2
• Baritone / Euphonium
CatalogCup diameter23.00 mm
Cup depthMedium
Rim width—
Throat diameter4.60 mm
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Schilke 51D
• Baritone / Euphonium
Cup diameter25.55 mm
Cup depthMedium
Rim width—
Throat diameter7.04 mm
BackboreJ .277"
Finish—
Material—
Best suited for
High-volume projection — open throat for power
Cup Diameter
The Schilke 51D has a cup diameter of 25.55 mm compared to 23.00 mm on the Bruno Tilz 213- D 2 — a difference of +2.55 mm. A wider cup generally produces a fuller, darker tone but requires more air support.
Cup Depth
Both mouthpieces share a medium cup depth, so the sound character from depth alone will be very similar.
Throat Diameter
The Schilke 51D has a wider throat (7.04 mm vs 4.60 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.