B&S 3100W-1-0GB PT-12 F Tuba Perantucci, (4+2), gold brass, with case

The B&S 3100W is a six (4+2) valve F tuba with a larger graduated valve bore.

Characteristics:

• Key: F
• Series: Perantucci
• Bore: .748"-.826" / 19-21 mm
• Bell: 16.5" / 420 mm
• Valves: 6 rotary valves (4+2), 4th valve detached
• Features: Trigger for 1st valve slide, trigger for 2nd valve slide, trigger for main tuning slide, gold brass lead pipe
• Finish: Gold brass