Media
Auto-advancing
Size
12"
Impedance
8Ω
RMS Power
1400W
Sensitivity
98dB
EBP
176
Vented alignment
Vd
418cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs51Hz
Qts0.27
Qes0.29
Qms5.0
Vas52.0L
Re5.0Ω
Le1.30mH
BL19.9Tm
Sd522cm²
Mms71g
Xmax8.0mm
SPL98dB
Power1400W
Power Nominal700W
Impedance8Ω
Min Impedance6.0Ω
F Low50Hz
F High3000Hz
Voice Coil88mm
Flux Density1.05T
Pricing & availability
Price movement
Other offers
4 vendorsjpleisure
Updated 17 May 2026· 8Ω
Source: ex VAT · 20%
£203.00
inc VAT
bluearan
Updated 17 May 2026· 8Ω
Source: inc VAT · 20%
£205.50
inc VAT
bluearan
Updated 17 May 2026· 8Ω
Source: inc VAT · 20%
£205.50
inc VAT
thomann
Updated 28 Apr 2026· 8Ω
Source: inc VAT · 20%
£215.00
inc VAT
Best current price
Updated 17 May 2026
jpleisure
£195.60
Avg £204.92£9.32 below avg (-4.5%)
inc VAT
Dimensions & Physical
Weight5.0kg
Diameter315.0mm
Overall Depth140.0mm
Cutout Diameter282.0mm
Bolt Circle Diameter298.0mm
Additional Manufacturer Specs
Bl19.9 Tm
Fs51 Hz
Le1.3 mH
Re5 Ω
Sd522 cm² (80.9 in²)
Ebp176 Hz
Mms71 g
Qes0.29
Qms5
Qts0.27
Vas52 dm³ (1.84 ft³)
η02.3 %
ConeRCK12NDL888
Xmax8 mm
Xvar9.5 mm
SpiderDouble Silicone
Cone ShapeExponential
Pole DesignT-Pole
Winding Depth21 mm (0.85 in)
Surround ShapeTriple Roll
Former MaterialGlass Fibre
Magnet MaterialNeodymium Inside Slug
Nominal Diameter320 mm (12 in)
Winding MaterialAluminium
Magnetic Gap Depth10 mm (0.4 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 Diameter282 mm (11.1 in)
Flange And Gasket Thickness13 mm (0.51 in)
Air Volume Occupied By Driver2.5 dm³ (0.08 ft³)
Similar Drivers
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Reference
B&C
12NDL88
12"
Best current price
£195.60
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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