Media
Auto-advancing
Size
18"
Impedance
4Ω
RMS Power
2400W
Sensitivity
95dB
EBP
107
Vented alignment
Vd
1089cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs30Hz
Qts0.27
Qes0.28
Qms6.2
Vas203.5L
Re3.7Ω
Le1.70mH
BL24.7Tm
Sd1210cm²
Mms244g
Xmax9.0mm
SPL95dB
Power2400W
Power Nominal1199W
Impedance4Ω
Min Impedance4.5Ω
F Low35Hz
F High1000Hz
Voice Coil100mm
Flux Density1.20T
Pricing & availability
Price movement
Other offers
1 vendorjpleisure
Updated 17 May 2026· 4Ω
Source: ex VAT · 20%
£277.01
inc VAT
Best current price
Updated 17 May 2026
bluearan
£235.00
Avg £256.00£21.00 below avg (-8.2%)
inc VAT
Dimensions & Physical
Weight9.1kg
Diameter460.0mm
Overall Depth209.0mm
Cutout Diameter422.0mm
Bolt Circle Diameter440.0mm
Additional Manufacturer Specs
Bl24.7 Tm
Fs30 Hz
Le1.7 mH
Re3.7 Ω
Sd1210 cm² (187.6 in²)
Ebp107 Hz
Mms244 g
Qes0.28
Qms6.2
Qts0.27
Vas203.5 dm³ (7.19 ft³)
η01.95 %
ConeRCK18NW1004
Xmax9 mm
Xvar11 mm
SpiderDouble Silicone
Cone ShapeRadial
Pole DesignT-Pole
Winding Depth25 mm (1 in)
Surround ShapeTriple Roll
Former MaterialGlass Fibre
Magnet MaterialNeodymium Inside Slug
Nominal Diameter460 mm (18 in)
Winding MaterialCopper
Magnetic Gap Depth12 mm (0.5 in)
Recommended Tuning37 Hz
Bolt Circle Diameter440 mm (17.3 in)
Recommended Enclosure160 dm³ (5.65 ft³)
Woofer Cone TreatmentTWP Waterproof Both Sides
Baffle Cutout Diameter422 mm (16.6 in)
Flange And Gasket Thickness16 mm (0.62 in)
Air Volume Occupied By Driver8.5 dm³ (0.3 ft³)
Similar Drivers
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Reference
B&C
18NW100
18"
Best current price
£235.00
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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