About the 12J Model The school band standard for several years. The three piston front action is very easy to achieve for young players. It has a rich tone and excellent response. Based on Conn's historic tube design, this compact tube equipped with a front action piston is an intermediate instrument for tuba players. The 658 "bore and 18" upright have excellent projection and response.
Key of BBb
.658″ bore
18″ upright bell
3 front action piston valves
Comes in a black gig bag with a Bach 18 mouthpiece.
