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Size
12"
Impedance
8Ω
RMS Power
1400W
Sensitivity
97dB
EBP
151
Vented alignment
Vd
425cm³
Frequency response
Manufacturer-provided response plots and related charts.


T/S Parameters
Valid
Fs53Hz
Qts0.33
Qes0.35
Qms7.7
Vas45.7L
Re5.1Ω
Le0.90mH
BL19.5Tm
Sd531cm²
Mms76g
Xmax8.0mm
SPL97dB
Power1400W
Power Nominal700W
Impedance8Ω
Min Impedance6.3Ω
F Low50Hz
F High3000Hz
Voice Coil88mm
Flux Density1.04T
Pricing & availability
Price movement
Other offers
1 vendorbluearan
Updated 17 May 2026· 8Ω
Source: inc VAT · 20%
£165.61
inc VAT
Best current price
Updated 17 May 2026
jpleisure
£160.06
Avg £162.83£2.78 below avg (-1.7%)
inc VAT
Dimensions & Physical
Weight8.3kg
Diameter315.0mm
Overall Depth145.0mm
Cutout Diameter285.0mm
Bolt Circle Diameter298.0mm
Additional Manufacturer Specs
Bl19.5 Tm
Fs53 Hz
Le0.9 mH
Re5.1 Ω
Sd531 cm² (82.31 in²)
Ebp151 Hz
Mms76.4 g
Qes0.35
Qms7.7
Qts0.33
Vas45.7 dm³ (1.61 ft³)
η02.05 %
ConeRCK12FW888
Xmax8 mm
Xvar8.6 mm
SpiderDouble Silicone
Cone ShapeExponential
Pole DesignT-Pole
Winding Depth21.5 mm (0.85 in)
Surround ShapeTriple Roll
Former MaterialGlass Fibre
Magnet MaterialFerrite
Nominal Diameter320 mm (12 in)
Winding MaterialAluminium
Magnetic Gap Depth11 mm (0.43 in)
Recommended Tuning65 Hz
Bolt Circle Diameter298 mm (11.73 in)
Recommended Enclosure40 dm³ (1.41 ft³)
Woofer Cone TreatmentWP Waterproof Front Side
Baffle Cutout Diameter285 mm (11.22 in)
Flange And Gasket Thickness12 mm (0.49 in)
Air Volume Occupied By Driver2.5 dm³ (0.09 ft³)
Similar Drivers
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Reference
B&C
12FW88
12"
Best current price
£160.06
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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