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B&C Speakers 21SW115

Subwoofer 21",1700/3400w, 97dB, 35Hz, 35‐1000Hz, 116×34mm, Split/Copper. Spedizione GRATIS!

2/5 working days
605,00
1.009,00

or pay in 3 interest-free installments with Scalapay

  • 3400 W continuous program power capacity
  • 116 mm (4.5 in) split winding copper voice coil
  • 33 - 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  4 Ω oppure 8 Ω
  • Minimum Impedance  4.2 Ω oppure 8 Ω
  • Nominal Power Handling  1700 W 
  • Continuous Power Handling  3400 W
  • Sensitivity  97.0 dB
  • Frequency Range  33 - 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 ft 3)
  • Recommended Tuning  32 Hz

 

PARAMETERS

  • Resonance Frequency  33 Hz
  • Re  3.6 Ω
  • Qes  0.37
  • Qms  7.7
  • Qts  0.36
  • Vas  278.0 dm3 (9.7 ft 3)
  • Sd  1680.0 cm2 (260.4 in 2)
  • η₀  2.6 %
  • Xmax  14.0 mm
  • Xvar  15.0 mm
  • Mms  335.0 g
  • Bl  24.8 Txm
  • Le  1.7 mH
  • EBP  89 Hz

 

MOUNTING AND SHIPPING INFO

  • Overall Diameter  547 mm (21.5 in)
  • Bolt Circle Diameter  527 mm (20.7 in)
  • Baffle Cutout Diameter  503.0 mm (19.8 in)
  • Depth  249 mm (9.8 in)
  • Flange and Gasket Thickness  14 mm (0.53 in)
  • Air Volume Occupied by Driver  15.0 dm3 (0.53 ft 3)
  • Net Weight  14.0 kg (30.8 lb)
  • Shipping Units  1
  • Shipping Weight  16.3 kg (35.94 lb)
  • Shipping Box  570x570x320 mm (22.44x22.44x12.60 in)

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