T/S Parameters
Valid
Fs270Hz
Qts1.39
Qes2.02
Qms4.4
Vas0.2L
Re7.3Ω
Le0.20mH
BL4.1Tm
Sd35cm²
Mms3g
Xmax2.1mm
Power90W
Power Nominal30W
Impedance8Ω
F Low150Hz
F High150Hz
Voice Coil20mm
Pricing & availability
Price movement
Best current price
Updated 17 May 2026
leanaudio
£15.47
inc VAT
Dimensions & Physical
Weight0.4kg
Diameter87.0mm
Overall Depth42.0mm
Cutout Diameter77.0mm
Bolt Circle Diameter100.0mm
Similar Drivers
Keep size fixed, then add or remove T/S params to change the ranking and the comparison rows.
Reference
CIARE
HM087
3.5"
Best current price
£15.47
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Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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