Media
Auto-advancing
Size
8"
Impedance
8Ω
RMS Power
500W
Sensitivity
93dB
EBP
144
Vented alignment
Vd
143cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs49Hz
Qts0.32
Qes0.34
Qms9.0
Vas20.0L
Re5.1Ω
Le0.50mH
BL12.9Tm
Sd220cm²
Mms35g
Xmax6.5mm
SPL93dB
Power500W
Power Nominal250W
Impedance8Ω
Min Impedance6.5Ω
F Low50Hz
F High4000Hz
Voice Coil51mm
Flux Density1.15T
Pricing & availability
Price movement
Other offers
1 vendorjpleisure
Updated 17 May 2026· 8Ω
Source: ex VAT · 20%
£96.01
inc VAT
Best current price
Updated 17 May 2026
bluearan
£93.74
Avg £94.88£1.14 below avg (-1.2%)
inc VAT
Dimensions & Physical
Weight3.4kg
Diameter225.0mm
Overall Depth93.0mm
Cutout Diameter187.0mm
Bolt Circle Diameter210.0mm
Additional Manufacturer Specs
Bl12.9 Tm
Fs49 Hz
Le0.5 mH
Re5.1 Ω
Sd220 cm² (34.1 in²)
Ebp144 Hz
Mms35 g
Qes0.34
Qms9
Qts0.32
Vas20 dm³ (0.71 ft³)
η00.7 %
ConeRCK008FG518
Xmax6.5 mm
Xvar8 mm
SpiderSingle
Cone ShapeExponential
Pole DesignT-Pole
Winding Depth17 mm (0.65 in)
Surround ShapeRoll
Former MaterialGlass Fibre
Magnet MaterialFerrite
Nominal Diameter200 mm (8 in)
Winding MaterialCopper
Magnetic Gap Depth8 mm (0.31 in)
Recommended Tuning52 Hz
Bolt Circle Diameter210 mm (8.3 in)
Recommended Enclosure17 dm³ (0.6 ft³)
Woofer Cone TreatmentWP Waterproof Front Side
Baffle Cutout Diameter187 mm (7.4 in)
Flange And Gasket Thickness11 mm (0.43 in)
Air Volume Occupied By Driver1.5 dm³ (0.05 ft³)
Similar Drivers
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Reference
B&C
8FG51
8"
Best current price
£93.74
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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