B & C :: B & C Loudspeaker Drivers :: B & C 21 Inch :: B & C 21SW152
B & C
Woofer for QSC SB-15121 SP-000193-00 Original (or virtually identical) part for SB-15121 SP-000193-00
Product Code: BAC21SW152C Brand: B & C Model: 21SW152
B&C 21SW152 - 21 inch 2000W 4 Ohm Loudspeaker
CLEARANCE:
£432.21
£432.21 ex VAT
SRP £601.83
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B&C 21SW152 - 21" 2000W 4 Ohm Loudspeaker part for QSC SB-15121 SP-000193-00

  • 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 ohms
  • Minimum impedance 4.2 ohms
  • Nominal power handling 2000 W
  • Continuous power handling 4000 W
  • Sensitivity (1W/1m) 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 mm (1.18 in)
  • Magnetic gap depth 12 mm (0.5 in)
  • Flux density 1.2 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 190.0 dm3 (6.71 ft3)
  • Recommended tuning 33 Hz


Parameters:

  • Fs 32 Hz
  • Re 3.3 ohms
  • Qes 0.31
  • Qms 7.0
  • Qts 0.3
  • Vas 200.0 dm3 (7.0 ft3)
  • Sd 1680.0 cm2 (260.4 in2)
  • Reference efficiency 2.2 %
  • Xmax 15.0 mm
  • Xvar 16.0 mm
  • Mms 460 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 20.9 kg (46.0 lb)
  • Shipping box 590x590x300 mm (23.2x23.2x11.8 in)
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