Media
Size
12"
Impedance
8Ω
RMS Power
300W
EBP
177
Vented alignment
Vd
212cm³
T/S Parameters
Valid
Fs53Hz
Qts0.28
Qes0.30
Qms3.6
Vas105.0L
Re5.2Ω
Le0.20mH
BL13.9Tm
Sd531cm²
Mms34g
Xmax4.0mm
Power300W
Impedance8Ω
F Low55Hz
F High6000Hz
Pricing & availability
Price movement
Best current price
Updated 17 May 2026
leanbusiness
£187.96
inc VAT
Dimensions & Physical
Weight3.0kg
Diameter315.0mm
Overall Depth127.0mm
Cutout Diameter282.0mm
Bolt Circle Diameter296.0mm
Similar Drivers
Keep size fixed, then add or remove T/S params to change the ranking and the comparison rows.
Reference
Eighteen Sound
12NMB420
12"
Best current price
£187.96
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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