Media
Auto-advancing
Size
18"
Impedance
2Ω
RMS Power
3400W
Sensitivity
97dB
EBP
229
Vented alignment
Vd
2420cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs32Hz
Qts0.14
Qes0.14
Qms4.2
Vas164.0L
Re1.3Ω
Le0.65mH
BL24.5Tm
Sd1210cm²
Mms330g
Xmax20.0mm
SPL97dB
Power3400W
Power Nominal1700W
Impedance2Ω
Min Impedance2.1Ω
F Low32Hz
F High1000Hz
Voice Coil116mm
Flux Density1.50T
Pricing & availability
Price movement
Other offers
1 vendorbluearan
Updated 17 May 2026· 2Ω
Source: inc VAT · 20%
£761.30
inc VAT
Best current price
Updated 17 May 2026
jpleisure
£690.85
Avg £726.08£35.22 below avg (-4.9%)
inc VAT
Dimensions & Physical
Weight15.3kg
Diameter460.0mm
Overall Depth261.0mm
Cutout Diameter425.0mm
Bolt Circle Diameter443.0mm
Additional Manufacturer Specs
Bl24.5 Tm
Fs32 Hz
Le0.65 mH
Re1.3 Ω
Sd1210 cm² (187.6 in²)
Ebp229 Hz
Mms330 g
Qes0.14
Qms4.2
Qts0.14
Vas164 dm³ (5.8 ft³)
η03.3 %
ConeRCK18IPALM
Xmax20 mm
Xvar15 mm
SpiderDouble Silicone
Cone ShapeRadial
Pole DesignT-Pole
Winding Depth44 mm (1.7 in)
Surround ShapeTriple Roll
Former MaterialGlass Fibre
Magnet MaterialNeodymium Inside Slug
Nominal Diameter460 mm (18 in)
Winding MaterialAluminium
Magnetic Gap Depth12 mm (0.47 in)
Recommended Tuning35 Hz
Bolt Circle Diameter443 mm (17.44 in)
Recommended Enclosure150 dm³ (5.3 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 Driver10.5 dm³ (0.37 ft³)
Similar Drivers
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Reference
B&C
18IPAL
18"
Best current price
£690.85
Compare on
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5 active T/S params, plus size.
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