HAAG Brass - ContraBass Trombone - BossBone Bell Options:ContraBass Trombone - BossBone An easy to use handle

An easy to use handle allows for quick mute changes

the headphones allow the listener a more pure sound without any unnecessary electronic controls

The function of the operating elements on the device is not impaired

vertical carrying

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

HAAG Brass - ContraBass Trombone - BossBone Bell Options:ContraBass Trombone - BossBone An easy to use handleThe 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