The B&S GR41 is a very popular 4/4 CC tuba and is versatile being nimble for the smaller ensemble, but able to keep up with the larger ensemble demands.
Key : C
Series : Perantucci
Bore : .748" - .787" / 19-20 mm
Bell : 18.8"/ 480 mm, large throat
Valves : 4 piston valves + 5th rotary valve (thumb)
Finish : Clear lacquer or Silver-plated