T/S Parameters
Valid
Fs50Hz
Qts0.25
Qes0.26
Qms9.7
Vas74.7L
Re5.5Ω
Le0.81mH
BL18.4Tm
Sd515cm²
Mms49g
Xmax5.3mm
Power400W
Impedance8Ω
Min Impedance6.3Ω
F Low50Hz
F High2500Hz
Voice Coil77mm
Flux Density1.33T
Pricing & availability
Price movement
Best current price
Updated 17 May 2026
bluearan
£140.76
inc VAT
Dimensions & Physical
Weight7.3kg
Diameter311.0mm
Overall Depth144.5mm
Cutout Diameter280.0mm
Bolt Circle Diameter294.0mm
Similar Drivers
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Reference
Oberton
12B400
12"
Best current price
£140.76
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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