T/S Parameters
Valid
Fs87Hz
Qts0.54
Qes0.56
Qms11.8
Vas6.1L
Re5.0Ω
Le0.29mH
BL6.2Tm
Sd103cm²
Mms8g
Xmax5.9mm
SPL89dB
Power125W
Impedance8Ω
F Low87Hz
F High3000Hz
Pricing & availability
Price movement
Best current price
Updated 17 May 2026
bluearan
£53.26
inc VAT
Dimensions & Physical
Weight1.4kg
Diameter149.1mm
Overall Depth73.9mm
Cutout Diameter121.9mm
Bolt Circle Diameter136.9mm
Similar Drivers
Keep size fixed, then add or remove T/S params to change the ranking and the comparison rows.
Reference
Eminence
ALPHA 5-8
5"
Best current price
£53.26
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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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