BB-Tuba CC-Tuba F-Tuba Eb-Tuba Euphonium CC TUBA HBS 290 CC TUBA HBS 293 Technical details Bore size 19.5 mm Bell diameter 450 mm Height 900 mm Other informations 5 valves rotary 4/4 size Classical orchestra instrument Technical details Bore size 20.5 mm Bell diameter 480 mm Height 1050 mm Other informations 5 valves rotary 5/4 size Hand made/on request CC TUBA HBS 390 CC TUBA HBS 392 Technical details Bore size 19/20/20.5 mm Bell diameter 450 mm Height 900 mm Other informations 5 valves, 4 piston/1 rotary 4/4 size, 2 tuningslides 1 maintuningslide/1 leadpipeslide Technical details Bore size 19/20/20.5 mm Bell diameter 450 mm Height 900 mm Other informations 5 valves, 4 piston/1 rotary 4/4 size, short leadpipe Large bore CC TUBA HBS 394 CC TUBA HBS 510 Technical details Bore size 18/19/19.5 mm Bell diameter 450 mm Height 900 mm Other informations 5 valves, 4 piston/1 rotary 4/4 size, short leadpipe Medium bore Technical details Bore size 19/20/23 mm Bell diameter 500 mm Height 900 mm Other informations 5 valves, 4 piston/1 rotary Big valve diameter Grand orchestra model