Jupiter JTU1150 1100 Performance Series TubaJupiter JTU1150 4 Valve 3 4 CC Tuba features a . 661 inch bore plus four mechanical link tapered rotary valves and removable Rose brass leadpipe. This tuba also features nickel silver outer slides and a removable valve section for easy maintenance and repair access. Specifications Lacquered Brass Body is produced using state of the art technology to ensure an instrument of the most accurate scale and playability Precision Mechanical Linked Tapered