Media
Auto-advancing
Size
8"
Impedance
8Ω
RMS Power
400W
Sensitivity
97dB
EBP
352
Vented alignment
Vd
132cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs74Hz
Qts0.21
Qes0.21
Qms9.3
Vas12.0L
Re5.2Ω
Le0.56mH
BL17.7Tm
Sd220cm²
Mms27g
Xmax6.0mm
SPL97dB
Power400W
Power Nominal200W
Impedance8Ω
Min Impedance7.4Ω
F Low70Hz
F High5000Hz
Voice Coil51mm
Flux Density1.35T
Pricing & availability
Price movement
Other offers
1 vendorjpleisure
Updated 17 May 2026· 8Ω
Source: ex VAT · 20%
£114.11
inc VAT
Best current price
Updated 17 May 2026
bluearan
£114.06
Avg £114.08£0.02 below avg (-0.0%)
inc VAT
Dimensions & Physical
Weight5.6kg
Diameter225.0mm
Overall Depth100.0mm
Cutout Diameter187.0mm
Bolt Circle Diameter210.0mm
Additional Manufacturer Specs
Bl17.7 Tm
Fs74 Hz
Le0.56 mH
Re5.2 Ω
Sd220 cm² (34.1 in²)
Ebp352 Hz
Mms27 g
Qes0.21
Qms9.3
Qts0.21
Vas12 dm³ (0.42 ft³)
η02.1 %
ConeRCK008FW518
Xmax6 mm
Xvar5 mm
SpiderSingle
Cone ShapeExponential
Pole DesignT-Pole
Winding Depth17 mm (0.65 in)
Surround ShapeDouble Roll
Former MaterialKapton
Magnet MaterialFerrite
Nominal Diameter200 mm (8 in)
Winding MaterialCopper
Magnetic Gap Depth10 mm (0.4 in)
Recommended Tuning74 Hz
Bolt Circle Diameter210 mm (8.3 in)
Recommended Enclosure12 dm³ (0.42 ft³)
Woofer Cone TreatmentTWP Waterproof Both Sides
Baffle Cutout Diameter187 mm (7.4 in)
Flange And Gasket Thickness9 mm (0.35 in)
Air Volume Occupied By Driver1.5 dm³ (0.05 ft³)
Similar Drivers
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Reference
B&C
8FW51
8"
Best current price
£114.06
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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