Media
Auto-advancing
Size
15"
Impedance
8Ω
RMS Power
800W
Sensitivity
99dB
EBP
124
Vented alignment
Vd
599cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs42Hz
Qts0.33
Qes0.34
Qms7.9
Vas135.0L
Re5.1Ω
Le1.30mH
BL21.0Tm
Sd855cm²
Mms108g
Xmax7.0mm
SPL99dB
Power800W
Power Nominal400W
Impedance8Ω
Min Impedance6.3Ω
F Low40Hz
F High3000Hz
Voice Coil76mm
Flux Density1.15T
Pricing & availability
Price movement
Other offers
1 vendorjpleisure
Updated 17 May 2026· 8Ω
Source: ex VAT · 20%
£152.80
inc VAT
Best current price
Updated 17 May 2026
bluearan
£138.54
Avg £145.67£7.13 below avg (-4.9%)
inc VAT
Dimensions & Physical
Weight3.8kg
Diameter389.0mm
Overall Depth171.0mm
Cutout Diameter353.0mm
Bolt Circle Diameter374.0mm
Additional Manufacturer Specs
Bl21 Tm
Fs42 Hz
Le1.3 mH
Re5.1 Ω
Sd855 cm² (132.5 in²)
Ebp124 Hz
Mms108 g
Qes0.34
Qms7.9
Qts0.33
Vas135 dm³ (4.8 ft³)
η02.9 %
ConeRCK15CL768
Xmax7 mm
Xvar8.5 mm
SpiderSingle
Cone ShapeExponential
Pole DesignStraight Pole
Winding Depth19 mm (0.75 in)
Surround ShapeTriple Roll
Former MaterialGlass Fibre
Magnet MaterialNeodymium Inside Slug
Nominal Diameter380 mm (15 in)
Winding MaterialCopper
Magnetic Gap Depth11 mm (0.43 in)
Recommended Tuning47 Hz
Recommended LoadingVented Box
Bolt Circle Diameter374 mm (14.72 in)
Recommended Enclosure100 dm³ (3.53 ft³)
Woofer Cone TreatmentWP Waterproof Front Side
Baffle Cutout Diameter353 mm (13.9 in)
Flange And Gasket Thickness11 mm (0.43 in)
Air Volume Occupied By Driver4.4 dm³ (0.15 ft³)
Similar Drivers
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Reference
B&C
15CL76
15"
Best current price
£138.54
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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