Media
Auto-advancing
Size
8"
Impedance
8Ω
RMS Power
500W
Sensitivity
100dB
EBP
700
Vented alignment
Vd
44cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs245Hz
Qts0.34
Qes0.35
Qms9.3
Vas1.5L
Re5.7Ω
Le0.60mH
BL22.0Tm
Sd220cm²
Mms19g
Xmax2.0mm
SPL100dB
Power500W
Power Nominal250W
Impedance8Ω
Min Impedance8.2Ω
F Low245Hz
F High2000Hz
Voice Coil64mm
Flux Density1.55T
Pricing & availability
Price movement
Other offers
1 vendorbluearan
Updated 17 May 2026· 8Ω
Source: inc VAT · 20%
£194.26
inc VAT
Best current price
Updated 17 May 2026
jpleisure
£185.58
Avg £189.92£4.34 below avg (-2.3%)
inc VAT
Dimensions & Physical
Weight4.5kg
Diameter239.0mm
Overall Depth115.0mm
Cutout Diameter200.0mm
Bolt Circle Diameter222.0mm
Additional Manufacturer Specs
Bl22 Tm
Fs245 Hz
Le0.6 mH
Re5.7 Ω
Sd220 cm² (34.1 in²)
Ebp700 Hz
Mms19 g
Qes0.35
Qms9.3
Qts0.34
Vas1.5 dm³ (0.05 ft³)
η04.5 %
ConeRCK008NSM648
Xmax2 mm
Xvar1.7 mm
SpiderSingle
Cone ShapeRadial
Pole DesignT-Pole
Winding Depth13 mm (0.51 in)
Surround ShapeDouble Roll
Former MaterialGlass Fibre
Magnet MaterialNeodymium Ring
Nominal Diameter200 mm (8 in)
Winding MaterialAluminium
Magnetic Gap Depth10 mm (0.39 in)
Bolt Circle Diameter222 mm (8.74 in)
Woofer Cone TreatmentWP Waterproof Front Side
Baffle Cutout Diameter200 mm (7.87 in)
Flange And Gasket Thickness16 mm (0.63 in)
Air Volume Occupied By Driver3.5 dm³ (0.12 ft³)
Similar Drivers
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Reference
B&C
8NSM64
8"
Best current price
£185.58
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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