T/S Parameters
Valid
Fs70Hz
Qts0.34
Qes0.40
Qms2.0
Vas5.6L
Re6.3Ω
Le0.03mH
BL5.3Tm
Sd57cm²
Mms4g
Xmax2.5mm
SPL89dB
Power25W
Impedance8Ω
Pricing & availability
Price movement
Best current price
Updated 17 May 2026
soundimports
£73.58
inc VAT
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Reference
Tang Band
W4-1337SDF
4"
Best current price
£73.58
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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