Media
Size
8"
Impedance
8Ω
RMS Power
250W
EBP
318
Vented alignment
Vd
68cm³
T/S Parameters
Valid
Fs89Hz
Qts0.26
Qes0.28
Qms4.0
Vas13.7L
Re5.1Ω
Le0.70mH
BL13.1Tm
Sd227cm²
Mms17g
Xmax3.0mm
Power250W
Impedance8Ω
F Low200Hz
F High9000Hz
Pricing & availability
Price movement
Best current price
Updated 17 May 2026
leanbusiness
£106.11
inc VAT
Dimensions & Physical
Weight4.9kg
Diameter210.0mm
Overall Depth106.0mm
Cutout Diameter186.0mm
Bolt Circle Diameter196.0mm
Similar Drivers
Keep size fixed, then add or remove T/S params to change the ranking and the comparison rows.
Reference
Eighteen Sound
8M400F
8"
Best current price
£106.11
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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