B&C 18NBX100 - 4 ohm 18" 1200W Neodymium 4.0" Voice Coil Woofer

SKU: 570-031

Price:
Sale price$461.35
Stock:
In stock (2 units)

Description

Specifications

 
Nominal diameter 460 mm (18.0 in)
Nominal impedance 4 Ω
Minimum impedance 4.4 Ω
Nominal power handling1 1200 W
Continuous power handling2 2400 W
Sensitivity (1W/1m)3 96.0 dB
Frequency range 35 - 1000 Hz
Voice coil diameter 100 mm (4.0 in)
Winding material Copper
Former material Glass Fibre
Winding depth 25 mm (1.0 in)
Magnetic gap depth 11 mm (0.43 in)
Flux density 1.1 T

Design

 
Surround shape Triple Roll
Cone shape Radial
Magnet material Neodymium Ring
Spider Double Silicone
Pole design T-Pole
Woofer cone treatment TWP Waterproof Both Sides
Recommended enclosure 200.0 dm3 (7.1 ft3)
Recommended tuning 35 Hz

Parameters

 
Fs 35 Hz
Re 5.2 Ω
Qes 0.4
Qms 5.6
Qts 0.38
Vas 198.0 dm3 (6.99 ft3)
Sd 1210.0 cm2 (187.6 in2)
η₀ 2.0 %
Xmax 10.0 mm
Xvar 12.0 mm
Mms 217 g
Bl 24.8 Txm
Le 1.85 mH
EBP 89 Hz

Mounting Info

Overall diameter 460 mm (18.0 in)
Bolt circle diameter 440 mm (17.3 in)
Baffle cutout diameter 422.0 mm (16.6 in)
Depth 208 mm (8.19 in)
Flange and gasket thickness 14 mm (0.55 in)
Air volume occupied by driver 8.5 dm3 (0.3 ft3)
Net weight 9.3 kg (20.5 lb)

Service Kit

 
  RCK18NBX1004
Full Product Specs From Manufacturer's Website