HAAG Brass - ContraBass Trombone - BossBone Bell Options:ContraBass Trombone - BossBone mouthpieces were crafted by artisans

mouthpieces were crafted by artisans like Dominick Calicchio

Compatibility: Ideal for players seeking to preserve the original qualities of their instrument while adding a unique sonic signature

providing an excellent balance between high register accessibility and rich tonal quality in the mid and low ranges

An easy to use handle allows for quick mute changes

a trumpet mouthpiece that combines versatility with a brilliant sound profile

HAAG Brass - ContraBass Trombone - BossBone Bell Options:ContraBass Trombone - BossBone mouthpieces were crafted by artisansThe BossBone is equipped with a Bosc valve, a rotary valve with an open passage and only 80 rotation. This valve was developed and invented by Cristian Bosc in 2011 and HAAG Brass was the first company to install this valve in trombones. The HAAG BossBones can be built individually to your needs. Tuning: F C Db or F D BBb Bore: 14. 5mm . 571 Valve : HAAG Rotary Valve Thumb Lever: German or Americanstyle Bell : 270mm 10. 629 Bell: handhammered gold