Miraphone BB186-4V-GB Lacquer BBb Tuba

Model-number: model 86
Tuning: B♭Intonation 440 Hz
Number of valves: 4 valves
Size: 4/4
Material in body: gold brass body
Finish: lacquered
Bell diameter: 450 mm (17,717 inch)
Material valve section: combined gold brass-nickel silver valve section
Lever system: spiral spring system
Rod: Miraphone minibal rod
Valve system :rotary valves
Bore of valve section: 19,6 mm (0,772 inch)
Lyre: holder with lyre holder
Total weight instrument: 9,70 kg / 21,38 lb