Which has a bigger cup — Bruno Tilz 214-D 5 or Kelly 5G-LS?

The Bruno Tilz 214-D 5 has a cup diameter of 26.00 mm / 1.0236 in compared to 25.40 mm / 1.0000 in on the Kelly 5G-LS — a difference of 0.60 mm / 0.0236 in. A wider cup generally produces a fuller, darker tone but requires more air support.

How does cup depth compare between Bruno Tilz 214-D 5 and Kelly 5G-LS?

The Kelly 5G-LS has a — 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.

Bruno Tilz 214-D 5 vs Kelly 5G-LS

Name: Kelly 5G-LS
Brand: Kelly

The Bruno Tilz 214-D 5 has a wider cup diameter, the Kelly 5G-LS features a deeper cup.

Overall Comparison Cup Diameter Cup Depth Rim Width Throat Diameter Backbore Finish Material

The width of the rim surface that contacts the lips. Wider rims improve endurance; narrower rims improve flexibility.

Mouthpiece A

Bruno Tilz 214-D 5

• Trombone

Catalog

Rim width—

Best suited for

📣High-volume projection — open throat for power

Mouthpiece B

Kelly 5G-LS

• Trombone

Orchestral

Rim width—

Best suited for

🎻Orchestral playing — large cup for full, dark tone

📋Symphonic trombone / euphonium

Which is better?

The Bruno Tilz 214-D 5 is designed for catalog playing, while the Kelly 5G-LS targets orchestral use. Your best choice depends on your musical context.

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Bruno Tilz 214-D 5 vs Kelly 5G-LS

Playing Characteristics

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