Media
Auto-advancing
Size
18"
Impedance
8Ω
RMS Power
1200W
EBP
91
Either alignment
Vd
1456cm³
T/S Parameters
Valid
Fs29Hz
Qts0.31
Qes0.32
Qms7.3
Vas281.0L
Re5.5Ω
Le1.10mH
BL26.5Tm
Sd1213cm²
Mms224g
Xmax12.0mm
Power1200W
Impedance8Ω
F Low20Hz
F High200Hz
Voice Coil102mm
Pricing & availability
Price movement
Best current price
Updated 17 May 2026
leanaudio
£389.43
inc VAT
Dimensions & Physical
Weight14.5kg
Diameter458.0mm
Overall Depth233.0mm
Cutout Diameter414.0mm
Bolt Circle Diameter440.0mm
Similar Drivers
Keep size fixed, then add or remove T/S params to change the ranking and the comparison rows.
Reference
BMS
18S450
18"
Best current price
£389.43
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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