T/S Parameters
Valid
Fs22Hz
Qts0.43
Qes0.48
Qms4.1
Vas2.8L
Re3.9Ω
Le3.50mH
BL16.2Tm
Sd507cm²
Mms237g
Xmax12.5mm
SPL85dB
Power250W
Impedance4Ω
F Low20Hz
F High500Hz
Voice Coil51mm
Pricing & availability
Price movement
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1 vendorsoundimports
Updated 17 May 2026
Source: inc VAT
£72.72
inc VAT
Best current price
Updated 17 May 2026
soundimports
£36.34
Avg £54.53£18.19 below avg (-33.4%)
inc VAT
Dimensions & Physical
Diameter308.0mm
Overall Depth160.0mm
Cutout Diameter279.4mm
Bolt Circle Diameter294.6mm
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Reference
GRS
12SW-4HE
12"
Best current price
£36.34
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5 active T/S params, plus size.
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