T/S Parameters
Valid
Fs59Hz
Qts0.52
Qes0.65
Qms2.4
Vas51.1L
Re5.2Ω
Le1.31mH
BL13.0Tm
Sd531cm²
Mms57g
Xmax5.0mm
Power350W
Impedance8Ω
Voice Coil75mm
Pricing & availability
Price movement
Best current price
Updated 17 May 2026
leanaudio
£102.50
inc VAT
Dimensions & Physical
Weight4.3kg
Diameter309.0mm
Overall Depth140.0mm
Cutout Diameter283.0mm
Bolt Circle Diameter297.0mm
Similar Drivers
Keep size fixed, then add or remove T/S params to change the ranking and the comparison rows.
Reference
Celestion
TF1230
12"
Best current price
£102.50
Compare on
Only active params are shown here. Size stays fixed automatically.
5 active T/S params, plus size.
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