Media
Auto-advancing
Size
12"
Impedance
4Ω
RMS Power
2000W
Sensitivity
91dB
EBP
100
Either alignment
Vd
538cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs34Hz
Qts0.32
Qes0.34
Qms5.4
Vas53.0L
Re2.9Ω
Le1.15mH
BL17.2Tm
Sd522cm²
Mms162g
Xmax10.3mm
SPL91dB
Power2000W
Power Nominal1000W
Impedance4Ω
Min Impedance2.9Ω
F Low34Hz
F High1000Hz
Voice Coil100mm
Flux Density1.10T
Pricing & availability
Price movement
Other offers
1 vendorbluearan
Updated 17 May 2026· 4Ω
Source: inc VAT · 20%
£232.80
inc VAT
Best current price
Updated 17 May 2026
jpleisure
£219.92
Avg £226.36£6.44 below avg (-2.8%)
inc VAT
Dimensions & Physical
Weight12.6kg
Diameter320.0mm
Overall Depth150.0mm
Cutout Diameter282.0mm
Bolt Circle Diameter299.0mm
Additional Manufacturer Specs
Bl17.24 Tm
Fs34 Hz
Le1.15 mH
Re2.9 Ω
Sd522 cm² (80.91 in²)
Ebp100 Hz
Mms161.9 g
Qes0.34
Qms5.4
Qts0.32
Vas53 dm³ (1.87 ft³)
η00.57 %
ConeRCK12FG1004
Xmax10.3 mm
Xvar14 mm
SpiderDouble Silicone
Cone ShapeRadial
Pole DesignT-Pole
Winding Depth26.5 mm (1.04 in)
Surround ShapeRoll
Former MaterialGlass Fibre
Magnet MaterialFerrite
Nominal Diameter320 mm (12 in)
Winding MaterialCopper
Magnetic Gap Depth12 mm (0.47 in)
Recommended Tuning34 Hz
Bolt Circle Diameter299 mm (11.77 in)
Recommended Enclosure50 dm³ (1.77 ft³)
Woofer Cone TreatmentTWP Waterproof Both Sides
Baffle Cutout Diameter282 mm (11.1 in)
Flange And Gasket Thickness20 mm (0.81 in)
Air Volume Occupied By Driver3 dm³ (0.11 ft³)
Similar Drivers
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Reference
B&C
12FG100
12"
Best current price
£219.92
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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