YBB-632S Tubas BBb

YBB-632S
Key Bb
Body Yellow brass
Bell Diameter 500mm (19 5/8")
Bore Size 18.5-20.0mm (0.728-0.787")
Height 1048mm
Valves 3 top + 1 side, compensating
Finish Silver-plated
Mouthpiece BB-66D4
Case Included