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Size
15"
Impedance
8Ω
RMS Power
1400W
Sensitivity
99dB
EBP
125
Vented alignment
Vd
684cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs45Hz
Qts0.34
Qes0.36
Qms6.1
Vas126.0L
Re5.0Ω
Le1.25mH
BL20.1Tm
Sd855cm²
Mms102g
Xmax8.0mm
SPL99dB
Power1400W
Power Nominal700W
Impedance8Ω
Min Impedance6.0Ω
F Low45Hz
F High3000Hz
Voice Coil88mm
Flux Density1.05T
Pricing & availability
Price movement
Other offers
3 vendorsjpleisure
Updated 17 May 2026· 8Ω
Source: ex VAT · 20%
£230.59
inc VAT
bluearan
Updated 17 May 2026· 8Ω
Source: inc VAT · 20%
£239.32
inc VAT
bluearan
Updated 17 May 2026· 8Ω
Source: inc VAT · 20%
£244.78
inc VAT
Best current price
Updated 17 May 2026
jpleisure
£225.72
Avg £235.10£9.38 below avg (-4.0%)
inc VAT
Dimensions & Physical
Weight5.7kg
Diameter393.0mm
Overall Depth177.0mm
Cutout Diameter354.0mm
Bolt Circle Diameter374.0mm
Additional Manufacturer Specs
Bl20.1 Tm
Fs45 Hz
Le1.25 mH
Re5 Ω
Sd855 cm² (132.53 in²)
Ebp125 Hz
Mms102 g
Qes0.36
Qms6.1
Qts0.34
Vas126 dm³ (4.45 ft³)
η03.1 %
ConeRCK15NDL888
Xmax8 mm
Xvar10 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 Diameter380 mm (15 in)
Winding MaterialAluminium
Magnetic Gap Depth10 mm (0.39 in)
Recommended Tuning45 Hz
Bolt Circle Diameter374 mm (14.72 in)
Recommended Enclosure125 dm³ (4.41 ft³)
Woofer Cone TreatmentWP Waterproof Front Side
Baffle Cutout Diameter354 mm (13.94 in)
Flange And Gasket Thickness13 mm (0.51 in)
Air Volume Occupied By Driver3.5 dm³ (0.12 ft³)
Similar Drivers
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Reference
B&C
15NDL88
15"
Best current price
£225.72
Compare on
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5 active T/S params, plus size.
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