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Z007940 SICA 12" Sub-Woofer
Nominal Impedance - 4 Ω
Musical Power - 500 W
Rated Power* - 250 W
Sensitivity @ 1 W, 1 m - 92.5 dB
Nominal Overall Diameter - 318 mm
Nominal Voice Coil Diameter - 65 mm
Magnet Weight - 1450 g
Flux Density - 0.85 T
Weight - 4.80 Kg
Voice Coil DC Resistance RE - 3.20 Ω
Resonance Frequency fs - 30.0 Hz
Mechanical Q Factor QMS - 7.97
Electrical Q Factor QES - 0.33
Total Q Factor QTS - 0.31
Mechanical Moving Mass MMS - 84.5 g
Mechanical Compliance CMS - 334 μm/N
Equivalent Acoustic Volume VAS - 113.0 lt.
Maximum Linear Displacement XMAX - +/-4.5 mm
Reference Efficiency η0 - 0.89 %
Diaphragm Area SD - 491.0 cm2
Losses Electrical Resistance RES - 77.6 Ω
Voice Coil Inductance @ 1kHz LE - 1.22 mH
Magnet - Ferrite
Voice Coil Winding - Copper
Voice Coil Former - Kapton
Cone - Paper
Surround - Rubber
Dust Dome - PolyPropylene
Basket - Pressed Sheet Steel