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B&C 18NBX100 - 18" 1200W 4 Ohm Loudspeaker

With Faston Spade Terminals
Product Code: BAC18NBX100C Brand: B & C Model: 18NBX100
B&C 18NBX100 - 18 inch 1200W 4 Ohm Loudspeaker
HOT DEAL:
£215.83
£215.83 ex VAT
SRP £245.93
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Quantity Discounts
2-3£244.94 ea.
4-7£239.89 ea.
8+£234.84 ea.
Usually available in <br>4-6 weeks
Usually available in
4-6 weeks
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B&C 18NBX100 - 18" 1200W 4 Ohm Loudspeaker

  • 2400 W continuous program power capacity
  • 100 mm (4 in) split winding copper voice coil
  • 35 - 1000 Hz response
  • 96 dB sensitivity
  • 57 mm peak-to-peak excursion before damage
  • Double silicone spider with optimized compliance
  • Ventilated voice coil gap for reduced power compression
  • Aluminium demodulating ring for very low distortion

Technical specifications


  • Nominal Diameter: 460 mm (18.0 )
  • Overall Diameter: 460 mm (18.0 )
  • Bolt Circle Diameter: 440 mm (17.3 )
  • Baffle Cutout Diameter: 422.0 mm (16.6 )
  • Overall Depth: 208 mm (8.19 )
  • Flange/Gasket Thickness: 14 mm (0.55 )
  • Impedance: 4 ohm
  • Minimum Impedance: 4.4 ohm
  • Program Power: 2400 W
  • Power: 1200 W
  • Sensitivity: 96.0 dB
  • Frequency Range: 35 Hz
  • Voice Coil Diameter: 100 mm (4.0 )
  • Voice Coil Material: Copper
  • Voice Coil Former: Glass Fibre
  • Voice Coil Depth: 25.0 mm (1.0 )
  • Magnetic Gap Depth: 11.0 mm (0.43 )
  • Cone Shape: Radial
  • Cone Treatment: TWP Waterproof Both Sides
  • Surround Type: Triple Roll
  • Spider: Double Silicone
  • Pole Design: T-Pole
  • Flux Density: 1.1 T
  • Driver Displacement Volume: 8.5 L
  • Recommended Enclosure: 200.0
  • Recommended Tuning: 35


Thiele and Small parameters:  Need some help? Read our quick guide to TS Params.


  • Resonance (Fs) - 35 Hz
  • DC Resistance (Re) - 3.6 Ohm
  • Electrical Q (Qes) - 0.39
  • Mechanical Q (Qms) - 7.0
  • Total Q (Qts) - 0.37
  • Compliance Equivalent Volume (Vas) - 192.0 L
  • Diaphragm Area (Sd) - 1210.0 cm2
  • Reference Efficiency (Eta Zero) - 2.02 %
  • Maximum Linear Excursion (Xmax) - 10.0 mm
  • Xvar (Xvar) - 12.0
  • Moving Mass - System (Mms) - 225.0 g
  • Force Factor (BL) - 22.0 Tm
  • Voice Coil Inductance (Le) - 1.74 mH
  • Efficiency Bandwidth Product (EBP) - 89

Shipping Information


  • Net Weight: 9.3 kg
  • Shipping Weight: 10.9 kg
  • Shipping Box: 500x495x275
  • Multipack Quantity: 1
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