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    LF Speaker Ferrite

    W1812508

    Key Features

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    Description




    MODEL W1812508
    TYPE SUB-WOOFER
    Nominal Diameter 465/18 mm/inch
    Rated impedance 8 ohm
    Power handing capacity 1200 watts
    Sensitivity(1w/1m) 96 dB
    Frequency Range FS-1800 Hz
    Voice Coil Diameter 125/5 mm/inch
    Voice Coil Material Copper
    Number of layer 2
    Kind of layer inside/outside 
    Resonance frequency Fs 40 Hz 
    Dc resistance Re 5.4 ohm
    Mechanical factor Qms 9.8
    Electrical factor Qes 0.44
    Total factor Qts 0.42
    BL factor BL 29 T.M
    Effective Moving mass Mms 261.3 g
    Effective Cas air load Vas 115.7 liters
    Effective piston area Sd 0.1195 m^2
    Overall Diameter Φ488/Φ19.22 mm/inch
    Bolt Circle Diameter Φ473.5/Φ18.64 mm/inch 
    Bolt Hole Diameter 6-Φ6.5/6-Φ0.26 mm/inch
    Mount Baffle Cut-out Φ423/Φ16.66 mm/inch
    Depth 184/7.25 mm/inch
    Net We        (1 unit) 19.7 kg
    Shipping Weight  (1 unit) 21.7 kg
    Package Size    (1 unit) 500*500*240 mm 

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