Bruno Tilz 200-7 BW vs GR Technologies 3M
The Bruno Tilz 200-7 BW has a wider cup diameter.
Mouthpiece A
Bruno Tilz 200-7 BW
• Trumpet
CatalogCup diameter17.00 mm / 0.6693 in
Cup depthMedium
Rim width—
Throat diameter3.60 mm / 0.1417 in
Backbore—
Finish—
Material—
vs
Mouthpiece B
GR Technologies 3M
• Trumpet
Cup diameter16.76 mm / 0.6598 in
Cup depthMedium
Rim width—
Throat diameter—
Backbore—
Finish—
Material—
Cup Diameter
The Bruno Tilz 200-7 BW has a cup diameter of 17.00 mm / 0.6693 in compared to 16.76 mm / 0.6598 in on the GR Technologies 3M — a difference of 0.24 mm / 0.0094 in. 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.
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.