(2) B&C 21SW152-4 21" Neodymium Subwoofer 4-Ohm DJ Live Sound 4000Watts Bass Sub

B&C 21SW152-4 21" 4000W Neodymium Subwoofer 4-Ohm

• 4000 W Continuous Power Handling

• 6.0 in (153 mm) Voice Coil Diameter

• Neodymium Inside Slug Magnet Material
  

Key Features

• 4000 W continuous program power capacity

• 153 mm (6 in) split winding copper voice coil

• 30 - 1000 Hz response

• 96 dB sensitivity

• 60 mm peak-to-peak excursion before damage

• Neodymium magnet allows a very high force factor and linear excursion

• Double silicone spider with optimized compliance

• Ventilated voice coil gap for reduced power compression

• Aluminium demodulating ring for very low distortion

Specifications

• Nominal Diameter 530 mm (21.0 in)

• Nominal Impedance 4 Ohm
  

• Minimum Impedance 4.2 Ohm
  

• Nominal Power Handling 2000 W

• Continuous Power Handling 4000 W

• Sensitivity 96.0 dB

• Frequency Range 30 - 1000 Hz

• Voice Coil Diameter 153 mm (6.0 in)

• Winding Material Copper

• Former Material Glass Fibre

• Winding Depth 30.0 mm (1.18 in)

• Magnetic Gap Depth 12.0 mm (0.5 in)

• Flux Density 1.2 T

Parameters

• Resonance Frequency 32 Hz

• Re 3.3

• Qes 0.31

• Qms 7.0

• Qts 0.3

• Vas 200.0 dm3 (7.0 ft3)

• Sd 1680.0 cm2 (260.4 in2)

• 2.2 %

• Xmax 15.0 mm

• Xvar 16.0 mm

• Mms 460.0 g

• Bl 32.5 Txm

• Le 1.5 mH

• EBP 103 Hz

Mounting And Shipping Info

• Overall Diameter 547 mm (21.5 in)

• Bolt Circle Diameter 527 mm (20.7 in)

• Baffle Cutout Diameter 508.0 mm (20.0 in)

• Depth 261 mm (10.3 in)

• Flange and Gasket Thickness 16 mm (0.63 in)

• Air Volume Occupied by Driver 16.0 dm3 (0.56 ft3)

• Net Weight 18.5 kg (40.7 lb)

• Shipping Weight 20.8 kg (45.86 lb)

• Shipping Box 570x570x320 mm (22.44x22.44x12.60 in)

Service Kit

• RCK21SW1524