B&C 21SW115 8-Ohm 21" Professional Neodymium Subwoofer 3400W 4.5" Voice Coil

B&C 21SW115-8 21" Professional Neodymium Subwoofer 3400W 8-Ohm 4.5" voice coil

Features

• 3400 W continuous program power capacity

• 116 mm (4.5 in) split winding copper voice coil

• 30 - 1000 Hz response

• 97 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 8 Ohm
  

• Minimum Impedance 6.2 Ohm
  

• Nominal Power Handling 1700 W

• Continuous Power Handling 3400 W

• Sensitivity 97.0 dB

• Frequency Range 30 - 1000 Hz

• Voice Coil Diameter 116 mm (4.5 in)

• Winding Material Copper

• Former Material Glass Fibre

• Winding Depth 34.0 mm (1.34 in)

• Magnetic Gap Depth 14.0 mm (0.55 in)

• Flux Density 1.15 T

Design

• Surround Shape Triple Roll

• Cone Shape Radial

• Magnet Material Neodymium Inside Slug

• Spider Double Silicone

• Pole Design T-Pole

• Woofer Cone Treatment TWP Waterproof Both Sides

• Recommended Enclosure 250.0 dm3 (8.83 ft3)

• Recommended Tuning 32 Hz