Media
Auto-advancing
Size
12"
Impedance
8Ω
RMS Power
2000W
Sensitivity
96dB
EBP
171
Vented alignment
Vd
531cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs41Hz
Qts0.22
Qes0.24
Qms3.9
Vas51.0L
Re5.1Ω
Le1.90mH
BL25.6Tm
Sd531cm²
Mms117g
Xmax10.0mm
SPL96dB
Power2000W
Power Nominal1000W
Impedance8Ω
Min Impedance6.5Ω
F Low40Hz
F High1500Hz
Voice Coil100mm
Flux Density1.10T
Pricing & availability
Price movement
Other offers
1 vendorjpleisure
Updated 17 May 2026· 8Ω
Source: ex VAT · 20%
£249.83
inc VAT
Best current price
Updated 17 May 2026
bluearan
£249.00
Avg £249.41£0.41 below avg (-0.2%)
inc VAT
Dimensions & Physical
Weight8.3kg
Diameter320.0mm
Overall Depth143.0mm
Cutout Diameter280.0mm
Bolt Circle Diameter300.0mm
Additional Manufacturer Specs
Bl25.6 Tm
Fs41 Hz
Le1.9 mH
Re5.1 Ω
Sd531 cm² (82 in²)
Ebp171 Hz
Mms117 g
Qes0.24
Qms3.9
Qts0.22
Vas51 dm³ (1.8 ft³)
η01.45 %
ConeRCK12NBX1008
Xmax10 mm
Xvar10 mm
SpiderDouble Silicone
Cone ShapeExponential
Pole DesignT-Pole
Winding Depth25 mm (1 in)
Surround ShapeTriple Roll
Former MaterialGlass Fibre
Magnet MaterialNeodymium Inside Slug
Nominal Diameter320 mm (12 in)
Winding MaterialCopper
Magnetic Gap Depth11 mm (0.43 in)
Recommended Tuning50 Hz
Bolt Circle Diameter300 mm (11.8 in)
Recommended Enclosure40 dm³ (1.41 ft³)
Woofer Cone TreatmentTWP Waterproof Both Sides
Baffle Cutout Diameter280 mm (11 in)
Flange And Gasket Thickness12 mm (0.47 in)
Air Volume Occupied By Driver4 dm³ (0.14 ft³)
Similar Drivers
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Reference
B&C
12NBX100
12"
Best current price
£249.00
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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