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B&S GR51 4/4 Rotary Valve BBb Tuba BSGR51


The B&S GR51 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.


  • Key :Bb
  • Series :Perantucci
  • Bore :.748" / 19 mm
  • Bell :17.7"/ 450 mm
  • Valves :4 rotary valves
  • Features :3B™ linkage system
  • Finish :Clear lacquer or Silver-plated