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The epitome of BBb tubas is the first choice of fine concert bands everywhere. Known throughout the world for its resounding tone and precise intonation, the 186-4U 4/4-size has long been the standard of comparison for other BBb tubas and is the bestselling allround model among all rotary valve tubas.
- Size: 4/4
- Rotary valves
- With nickel silver wreath
- Gold brass with combined gold brass and nickel silver valve section
- Yellow brass with nickel silver valve section
- Silver plated
- Five (Instrument weight: 10.34 kg)
- Four (Instrument weight: 9.7 kg)
- Three (Instrument weight: 9.46kg)
- 440 Hz
- 443 Hz
|Intonation||440 Hz or 443 Hz|
|Bell diameter||450 mm (17.717 inch)|
|Valve section bore||19.6 mm (0.772 inch)|
|Height||1010 mm (39.764 inch)|
|Weight||5 valves: 10.34 kg (22.80 lb)
4 valves: 9.70 kg (21.38 lb)
3 valves: 9.46 kg (20.86 lb)
|Others||Lyre holder and strap ring|