Alliance ‘David Childs’ Euphonium Mouthpiece


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A high quality, precision engineered mouthpiece. Designed, tested and played by arguably the World’s finest euphonium virtuoso, David Childs.


Silver or gold plated versions:

DC2 = 26.40mm (cup diameter)

DC3 = 26.00mm

DC4 = 25.75mm

DC5 = 25.50mm


Also available in small shank versions (silver plate only). Look for the ‘S’ in the size menu

Additional information




2 – Cup Diameter (mm): 26.4, 2G – Cup Diameter (mm): 26.4, 3 – Cup Diameter (mm): 26, 3G – Cup Diameter (mm): 26, 3S – Cup Diameter (mm): 26, 3SG – Cup Diameter (mm): 26, 4 – Cup Diameter (mm): 25.75, 4G – Cup Diameter (mm): 25.76, 4S – Cup Diameter (mm): 25.77, 4SG – Cup Diameter (mm): 25.78, 5 – Cup Diameter (mm): 25.5, 5G – Cup Diameter (mm): 25.51, 5S – Cup Diameter (mm): 25.52, 5SG – Cup Diameter (mm): 25.53, 6S – Cup Diameter (mm): 25, 6SG – Cup Diameter (mm): 25


Silver Plated, Gold Plated, Silver Plated, Gold Plated, Silver Plated, Gold Plated, Silver Plated, Gold Plated, Silver Plated, Gold Plated, Silver Plated, Gold Plated, Silver Plated, Gold Plated, Silver Plated, Gold Plated


Alliance Brass

Alliance Brass Mouthpieces were introduced to the market in 2006 by Dr Roger Webster, who was Solo Cornet of the famous Grimethorpe Colliery Band at the time. Dr Webster sold the company in 2014, and the mouthpieces are now manufactured by the prestigious firm of Denis Wick using state-of-the-art CNC technology in their factory in Poole, Dorset. Initially developed for Besson brass instruments, these mouthpieces were developed with advice from some of the leading brass players in the world, including James Gourlay, Steven Mead, Jamie Prophet and Lesley Howie.

Alliance Brass has a range of nearly 70 different mouthpiece models, including Signature lines for Black Dyke Band’s solo cornet, Richard Marshall, LSO solo trumpet Philip Cobb, tenor horn superstar Owen Farr, euphonium virtuoso David Childs and internationally famous tuba soloist Les Neish.

The mouthpieces are engineered in England to the finest standards and look as good as they sound. They are available in silver plate or in silver plate with a gold rim and cup. The Signature lines are also available in high quality gold plate. All Alliance Brass mouthpieces are available to order here on the Alliance website or from specialist music stores.

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