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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.
Features
– Size: 4/4
– Rotary valves
– With nickel silver wreath
Options/Customisations available:
Body material
– Gold brass with combined gold brass and nickel silver valve section
– Yellow brass with nickel silver valve section
Finish
– Silver plated
– Lacquered
Valves
– Five (Instrument weight: 10.34 kg)
– Four (Instrument weight: 9.7 kg)
– Three (Instrument weight: 9.46kg)
Intonation
– 440 Hz
– 443 Hz
Case/gigbag
– With
– Without
Specs
| Key | Bb |
| Intonation | 440 Hz or 443 Hz |
| Bell diameter | 450 mm (17.717 inch) |
| Valve system | Rotary |
| Valve section bore | 19.6 mm (0.772 inch) |
| Mouthpiece | TU21 |
| Height | 1010 mm (39.764 inch) |
| Weight | 5 valves: 10.34 kg (22.80lb) 4 valves: 9.70 kg (21.38lb) 3 valves: 9.46 kg (20.86 lb) |
| Others | Lyre holder and strap ring |
