Bruno Tilz 310-M 9 vs Conn Precision 2
the Conn Precision 2 features a deeper cup.
Mouthpiece A
Bruno Tilz 310-M 9
• Tuba
CatalogCup diameter32.00 mm / 1.2598 in
Cup depthShallow
Rim width—
Throat diameter7.80 mm / 0.3071 in
Backbore—
Finish—
Material—
Best suited for
High-volume projection — open throat for power
vs
Mouthpiece B
Conn Precision 2
• Tuba
GeneralCup diameter—
Cup depth
Rim width—
Throat diameter—
Backbore—
Finish—
MaterialSilver-plated brass
Best suited for
BBb bass; general use
Full rich tone in all registers
Cup Depth
The Conn Precision 2 has a — cup while the Bruno Tilz 310-M 9 has a shallow cup. Deeper cups favor a darker, richer sound; shallower cups provide more brightness and easier upper register.
Material
The Bruno Tilz 310-M 9 is described as unspecified, and the Conn Precision 2 as Silver-plated brass. Material affects mass, warmth, and how quickly the piece responds.
Which is better?
The Bruno Tilz 310-M 9 is designed for catalog playing, while the Conn Precision 2 targets general use. Your best choice depends on your musical context.