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    LF Speaker Ferrite


    Key Features



    MODEL W1812552
    Nominal Diameter 465/18 mm/inch
    Rated impedance 8 ohm
    Power handing capacity 1000 watts
    Sensitivity(1w/1m) 94 dB
    Frequency Range Fs-1500 Hz
    Voice Coil Diameter 125/5 mm/inch
    Voice Coil Material Copper
    Number of layer 2
    Kind of layer inside/outside 
    Resonance frequency Fs 37 Hz 
    Dc resistance Re 5.5 ohm
    Mechanical factor Qms 9.93
    Electrical factor Qes 0.57
    Total factor Qts 0.54
    BL factor BL 26.4 T.M
    Effective Moving mass Mms 303.7 g
    Effective Cas air load Vas 125.2 liters
    Effective piston area Sd 0.1238 m^2
    Overall Diameter Φ464/Φ18.27 mm/inch
    Bolt Circle Diameter Φ440/Φ17.32 mm/inch 
    Bolt Hole Diameter 8-7*8/8-0.28*0.31 mm/inch
    Mount Baffle Cut-out Φ417/Φ16.42 mm/inch
    Depth 191/7.52 mm/inch
    Net Weight       ( 1 unit) 20.2 kg
    Shipping Weight    ( 1 unit) 22.7 kg
    Package Size      ( 1 unit) 495X485X276 mm 

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