Media
Auto-advancing
Size
12"
Impedance
4Ω
RMS Power
2000W
Sensitivity
92dB
EBP
210
Vented alignment
Vd
478cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs44Hz
Qts0.20
Qes0.21
Qms5.8
Vas43.3L
Re3.8Ω
Le1.79mH
BL24.4Tm
Sd531cm²
Mms120g
Xmax9.0mm
SPL92dB
Power2000W
Power Nominal1000W
Impedance4Ω
Min Impedance5.0Ω
F Low45Hz
F High1500Hz
Voice Coil100mm
Flux Density1.20T
Pricing & availability
Price movement
Other offers
1 vendorjpleisure
Updated 17 May 2026· 4Ω
Source: ex VAT · 20%
£251.21
inc VAT
Best current price
Updated 17 May 2026
bluearan
£249.00
Avg £250.10£1.10 below avg (-0.4%)
inc VAT
Dimensions & Physical
Weight8.2kg
Diameter319.0mm
Overall Depth137.0mm
Cutout Diameter281.0mm
Bolt Circle Diameter299.0mm
Additional Manufacturer Specs
Bl24.38 Tm
Fs44 Hz
Le1.79 mH
Re3.8 Ω
Sd531 cm² (82.3 in²)
Ebp210 Hz
Mms120 g
Qes0.21
Qms5.8
Qts0.2
Vas43.3 dm³ (1.53 ft³)
η01.69 %
ConeRCK12NW1004
Xmax9 mm
Xvar10 mm
SpiderDouble Silicone
Cone ShapeRadial
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 Depth12 mm (0.5 in)
Recommended Tuning50 Hz
Bolt Circle Diameter299 mm (11.8 in)
Recommended Enclosure50 dm³ (1.77 ft³)
Woofer Cone TreatmentTWP Waterproof Both Sides
Baffle Cutout Diameter281 mm (11.1 in)
Flange And Gasket Thickness13 mm (0.5 in)
Air Volume Occupied By Driver2.7 dm³ (0.09 ft³)
Similar Drivers
Keep size fixed, then add or remove T/S params to change the ranking and the comparison rows.
Reference
B&C
12NW100
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.
Loading matches