Media
Auto-advancing
Size
8"
Impedance
8Ω
RMS Power
400W
Sensitivity
97dB
EBP
194
Vented alignment
Vd
132cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs60Hz
Qts0.29
Qes0.31
Qms5.6
Vas23.0L
Re4.9Ω
Le0.40mH
BL11.4Tm
Sd220cm²
Mms20g
Xmax6.0mm
SPL97dB
Power400W
Power Nominal200W
Impedance8Ω
Min Impedance5.9Ω
F Low60Hz
F High4000Hz
Voice Coil51mm
Flux Density1.30T
Pricing & availability
Price movement
Other offers
1 vendorbluearan
Updated 17 May 2026· 8Ω
Source: inc VAT · 20%
£134.32
inc VAT
Best current price
Updated 17 May 2026
jpleisure
£132.17
Avg £133.24£1.08 below avg (-0.8%)
inc VAT
Dimensions & Physical
Weight1.8kg
Diameter225.0mm
Overall Depth93.0mm
Cutout Diameter187.0mm
Bolt Circle Diameter210.0mm
Additional Manufacturer Specs
Bl11.4 Tm
Fs60 Hz
Le0.4 mH
Re4.9 Ω
Sd220 cm² (34.1 in²)
Ebp194 Hz
Mms20 g
Qes0.31
Qms5.6
Qts0.29
Vas23 dm³ (0.81 ft³)
η01.7 %
ConeRCK008MBX518
Xmax6 mm
Xvar8 mm
SpiderSingle
Cone ShapeCurvilinear
Pole DesignT-Pole
Winding Depth15 mm (0.59 in)
Surround ShapeTriple Roll
Former MaterialGlass Fibre
Magnet MaterialNeodymium Ring
Nominal Diameter200 mm (8 in)
Winding MaterialAluminium
Magnetic Gap Depth7 mm (0.28 in)
Recommended Tuning63 Hz
Bolt Circle Diameter210 mm (8.27 in)
Recommended Enclosure19 dm³ (0.67 ft³)
Woofer Cone TreatmentWaterproof Impregnated Cone
Baffle Cutout Diameter187 mm (7.36 in)
Flange And Gasket Thickness9 mm (0.35 in)
Air Volume Occupied By Driver1.1 dm³ (0.04 ft³)
Similar Drivers
Keep size fixed, then add or remove T/S params to change the ranking and the comparison rows.
Reference
B&C
8MBX51
8"
Best current price
£132.17
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
Loading matches