Alliance Brass David Childs DC5 Signature Euphonium Mouthpiece

The Alliance Brass David Childs DC5 is a versatile large-shank euphonium and trombone mouthpiece designed to combine a full, colorful sound with excellent projection, precise articulation, and added support in the upper register.

Developed as part of the David Childs Signature range, the DC5 uses a slightly smaller 25.50 mm cup diameter than the DC3, providing a more compact and focused feel while maintaining the depth and tonal richness expected from a professional euphonium mouthpiece.

The DC5 is particularly effective for players who want quick response and clean articulation without giving up tonal depth. Its carefully distributed mass helps maintain control of tone color throughout the instrument's range and across a wide range of dynamics.

The smaller diameter also provides additional support in the upper register, making the DC5 an excellent option for euphonium players who favor a focused setup as well as large-shank trombone players looking for a deep-cup mouthpiece with substantial tonal breadth.

Specifications

• Cup Diameter: 25.50 mm
• Rim Width: 6.71 mm
• Bore: 7.40 mm
• Cup: Deep
• Shank: Large, Medium, Small
• Instrument: Euphonium 

Comparable Sizes

Approximately comparable to:

• Denis Wick Classic 6AL
• Denis Wick Ultra SM6U
• Bach 6½AL
• Schilke 51D

Why Choose the DC5?

The DC5 is particularly well suited to players looking for a mouthpiece with excellent projection, easy articulation, upper-register security, and consistent tonal character. It offers a responsive, focused alternative to the larger models in the David Childs range while retaining the depth required for a characteristic euphonium sound.

It is also an especially attractive option for musicians who double between euphonium and large-shank trombone.