Media
Auto-advancing
Size
12"
Impedance
8Ω
RMS Power
500W
Sensitivity
98dB
EBP
163
Vented alignment
Vd
235cm³
Frequency response
Manufacturer-provided response plots and related charts.
T/S Parameters
Valid
Fs52Hz
Qts0.30
Qes0.32
Qms4.3
Vas64.0L
Re5.5Ω
Le1.10mH
BL17.5Tm
Sd522cm²
Mms55g
Xmax4.5mm
SPL98dB
Power500W
Power Nominal250W
Impedance8Ω
Min Impedance6.3Ω
F Low50Hz
F High3000Hz
Voice Coil64mm
Flux Density1.15T
Pricing & availability
Offers & B-stock
1 hidden from price comparisons
Price movement
Other offers
2 vendorsjpleisure
Updated 17 May 2026· 8Ω
Source: ex VAT · 20%
£111.32
inc VAT
leanbusiness
Updated 17 May 2026· 8Ω
Source: inc VAT · 20%
£131.95
inc VAT
Best current price
Updated 17 May 2026
bluearan
£82.00
Avg £108.42£26.42 below avg (-24.4%)
inc VAT
Dimensions & Physical
Weight1.9kg
Diameter313.0mm
Overall Depth133.0mm
Cutout Diameter282.0mm
Bolt Circle Diameter299.0mm
Additional Manufacturer Specs
Bl17.5 Tm
Fs52 Hz
Le1.1 mH
Re5.5 Ω
Sd522 cm² (80.9 in²)
Ebp163 Hz
Mms55 g
Qes0.32
Qms4.3
Qts0.3
Vas64 dm³ (2.25 ft³)
η03.4 %
ConeRCK12CL648
Xmax4.5 mm
Xvar6 mm
SpiderSingle
Cone ShapeExponential
Pole DesignStraight Pole
Winding Depth13 mm (0.51 in)
Surround ShapeDouble Roll
Former MaterialGlass Fibre
Magnet MaterialNeodymium Inside Slug
Nominal Diameter320 mm (12 in)
Winding MaterialCopper
Magnetic Gap Depth8 mm (0.31 in)
Recommended Tuning64 Hz
Bolt Circle Diameter299 mm (11.77 in)
Recommended Enclosure40 dm³ (1.41 ft³)
Woofer Cone TreatmentWP Waterproof Front Side
Baffle Cutout Diameter282 mm (11.1 in)
Flange And Gasket Thickness9 mm (0.35 in)
Air Volume Occupied By Driver2 dm³ (0.07 ft³)
Similar Drivers
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Reference
B&C
12CL64
12"
Best current price
£82.00
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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