Media
Auto-advancing
Size
18"
Impedance
4Ω
RMS Power
3000W
Sensitivity
96dB
EBP
97
Either alignment
Vd
1452cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs33Hz
Qts0.32
Qes0.34
Qms6.2
Vas181.5L
Re3.2Ω
Le1.64mH
BL22.8Tm
Sd1210cm²
Mms268g
Xmax12.0mm
SPL96dB
Power3000W
Power Nominal1500W
Impedance4Ω
Min Impedance4.0Ω
F Low35Hz
F High1000Hz
Voice Coil100mm
Flux Density1.15T
Pricing & availability
Price movement
Other offers
1 vendorjpleisure
Updated 17 May 2026· 4Ω
Source: ex VAT · 20%
£273.01
inc VAT
Best current price
Updated 17 May 2026
bluearan
£265.99
Avg £269.50£3.51 below avg (-1.3%)
inc VAT
Dimensions & Physical
Weight15.4kg
Diameter460.0mm
Overall Depth241.0mm
Cutout Diameter425.0mm
Bolt Circle Diameter442.0mm
Additional Manufacturer Specs
Bl22.8 Tm
Fs33 Hz
Le1.64 mH
Re3.2 Ω
Sd1210 cm² (187.6 in²)
Ebp97 Hz
Mms268 g
Qes0.34
Qms6.23
Qts0.32
Vas181.5 dm³ (6.41 ft³)
η01.8 %
ConeRCK18TBW1004
Xmax12 mm
Xvar14 mm
SpiderDouble Silicone
Cone ShapeRadial
Pole DesignT-Pole
Winding Depth31 mm (1.22 in)
Surround ShapeTriple Roll
Former MaterialGlass Fibre
Magnet MaterialFerrite
Nominal Diameter460 mm (18 in)
Winding MaterialCopper
Magnetic Gap Depth15 mm (0.59 in)
Recommended Tuning32 Hz
Bolt Circle Diameter442 mm (17.4 in)
Recommended Enclosure200 dm³ (7.06 ft³)
Woofer Cone TreatmentTWP Waterproof Both Sides
Baffle Cutout Diameter425 mm (16.73 in)
Flange And Gasket Thickness16 mm (0.63 in)
Air Volume Occupied By Driver11 dm³ (0.39 ft³)
Similar Drivers
Keep size fixed, then add or remove T/S params to change the ranking and the comparison rows.
Reference
B&C
18TBW100
18"
Best current price
£265.99
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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