Bb key.
4/4.
Perantucci Series.
Bore: .748" / 19 mm.
Bell: 17.7"/ 450 mm.
4 rotary valves. 3B™ linkage system
Clear Gold Lacquered.
Bag included.
The B&S GR51 Tuba is a fantastic 4/4 size BBb rotary tuba in the market today. Reminicient of the older Bavarian tubas from Graslitz Austria, its bell has a larger and faster taper than other tubas in its class. The result is a punchier sound and easier manuverability throughout the range.