Media
Auto-advancing
Size
8"
Impedance
8Ω
RMS Power
400W
Sensitivity
97dB
EBP
389
Vented alignment
Vd
132cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs74Hz
Qts0.17
Qes0.19
Qms2.7
Vas11.0L
Re5.2Ω
Le0.40mH
BL18.9Tm
Sd220cm²
Mms28g
Xmax6.0mm
SPL97dB
Power400W
Power Nominal200W
Impedance8Ω
Min Impedance7.7Ω
F Low70Hz
F High3000Hz
Voice Coil51mm
Flux Density1.30T
Pricing & availability
Price movement
Other offers
1 vendorbluearan
Updated 17 May 2026· 8Ω
Source: inc VAT · 20%
£163.93
inc VAT
Best current price
Updated 17 May 2026
jpleisure
£158.56
Avg £161.24£2.69 below avg (-1.7%)
inc VAT
Dimensions & Physical
Weight3.0kg
Diameter225.0mm
Overall Depth100.0mm
Cutout Diameter187.0mm
Bolt Circle Diameter210.0mm
Additional Manufacturer Specs
Bl18.9 Tm
Fs74 Hz
Le0.4 mH
Re5.2 Ω
Sd220 cm² (34.1 in²)
Ebp389 Hz
Mms28 g
Qes0.19
Qms2.7
Qts0.17
Vas11 dm³ (0.4 ft³)
η02.4 %
ConeRCK008NW518
Xmax6 mm
Xvar6 mm
SpiderSingle
Cone ShapeExponential
Pole DesignT-Pole
Winding Depth19 mm (0.73 in)
Surround ShapeDouble Roll
Former MaterialGlass Fibre
Magnet MaterialNeodymium Ring
Nominal Diameter200 mm (8 in)
Winding MaterialCopper
Magnetic Gap Depth10 mm (0.4 in)
Bolt Circle Diameter210 mm (8.3 in)
Woofer Cone TreatmentTWP Waterproof Both Sides
Baffle Cutout Diameter187 mm (7.4 in)
Flange And Gasket Thickness11 mm (0.4 in)
Air Volume Occupied By Driver1.1 dm³ (0.04 ft³)
Similar Drivers
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Reference
B&C
8NW51
8"
Best current price
£158.56
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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