Media
Auto-advancing
Size
8"
Impedance
8Ω
RMS Power
400W
Sensitivity
94dB
EBP
203
Vented alignment
Vd
110cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs73Hz
Qts0.33
Qes0.36
Qms4.2
Vas14.0L
Re5.4Ω
Le0.50mH
BL12.6Tm
Sd220cm²
Mms23g
Xmax5.0mm
SPL94dB
Power400W
Power Nominal200W
Impedance8Ω
Min Impedance7.0Ω
F Low70Hz
F High3000Hz
Voice Coil51mm
Flux Density1.10T
Pricing & availability
Price movement
Other offers
3 vendorsbluearan
Updated 17 May 2026· 8Ω
Source: inc VAT · 20%
£91.00
inc VAT
jpleisure
Updated 17 May 2026· 8Ω
Source: ex VAT · 20%
£93.53
inc VAT
jpleisure
Updated 17 May 2026· 8Ω
Source: ex VAT · 20%
£93.56
inc VAT
Best current price
Updated 17 May 2026
bluearan
£91.00
Avg £92.27£1.27 below avg (-1.4%)
inc VAT
Dimensions & Physical
Weight3.3kg
Diameter225.0mm
Overall Depth91.0mm
Cutout Diameter187.0mm
Bolt Circle Diameter210.0mm
Additional Manufacturer Specs
Bl12.6 Tm
Fs73 Hz
Le0.5 mH
Re5.4 Ω
Sd220 cm² (34.1 in²)
Ebp203 Hz
Mms23 g
Qes0.36
Qms4.2
Qts0.33
Vas14 dm³ (0.49 ft³)
η01.5 %
ConeRCK008PS218
Xmax5 mm
Xvar4 mm
SpiderSingle
Cone ShapeExponential
Pole DesignT-Pole
Winding Depth16 mm (0.62 in)
Surround ShapeDouble Roll
Former MaterialKapton
Magnet MaterialFerrite
Nominal Diameter200 mm (8 in)
Winding MaterialCopper
Magnetic Gap Depth8 mm (0.31 in)
Recommended Tuning73 Hz
Bolt Circle Diameter210 mm (8.3 in)
Recommended Enclosure14 dm³ (0.49 ft³)
Woofer Cone TreatmentNone
Baffle Cutout Diameter187 mm (7.4 in)
Flange And Gasket Thickness11 mm (0.4 in)
Air Volume Occupied By Driver1.2 dm³ (0.04 ft³)
Similar Drivers
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Reference
B&C
8PS21
8"
Best current price
£91.00
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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