Media
Auto-advancing
Size
13.5"
Impedance
4Ω
RMS Power
1400W
Sensitivity
98dB
EBP
167
Vented alignment
Vd
566cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs40Hz
Qts0.23
Qes0.24
Qms8.2
Vas128.0L
Re3.1Ω
Le0.85mH
BL16.9Tm
Sd707cm²
Mms89g
Xmax8.0mm
SPL98dB
Power1400W
Power Nominal700W
Impedance4Ω
Min Impedance3.8Ω
F Low40Hz
F High3000Hz
Voice Coil88mm
Flux Density1.05T
Pricing & availability
Price movement
Other offers
1 vendorbluearan
Updated 17 May 2026· 4Ω
Source: inc VAT · 20%
£239.86
inc VAT
Best current price
Updated 17 May 2026
jpleisure
£226.21
Avg £233.04£6.82 below avg (-2.9%)
inc VAT
Dimensions & Physical
Weight5.3kg
Diameter359.0mm
Overall Depth167.0mm
Cutout Diameter323.0mm
Bolt Circle Diameter343.0mm
Additional Manufacturer Specs
Bl16.9 Tm
Fs40 Hz
Le0.85 mH
Re3.1 Ω
Sd707 cm² (109.59 in²)
Ebp167 Hz
Mms89 g
Qes0.24
Qms8.2
Qts0.23
Vas128 dm³ (4.52 ft³)
η03.2 %
ConeRCK14NDL884
Xmax8 mm
Xvar9 mm
SpiderDouble Silicone
Cone ShapeExponential
Pole DesignT-Pole
Winding Depth21.5 mm (0.85 in)
Surround ShapeTriple Roll
Former MaterialGlass Fibre
Magnet MaterialNeodymium Inside Slug
Nominal Diameter359 mm (14 in)
Winding MaterialAluminium
Magnetic Gap Depth10 mm (0.39 in)
Recommended Tuning53 Hz
Bolt Circle Diameter343 mm (13.5 in)
Recommended Enclosure75 dm³ (2.65 ft³)
Woofer Cone TreatmentWP Waterproof Front Side
Baffle Cutout Diameter323 mm (12.72 in)
Flange And Gasket Thickness12 mm (0.47 in)
Air Volume Occupied By Driver3.5 dm³ (0.12 ft³)
Similar Drivers
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Reference
B&C
14NDL88
13.5"
Best current price
£226.21
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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