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  • LF Drivers

    8FW51

    8 inches

    Woofer

    Features


    400 W continuous program power capacity
    51 mm (2 in) copper voice coil
    70 - 5000 Hz response
    97 dB sensitivity
    Shorting copper cap for extended HF response
    Ventilated voice coil gap for reduced power compression

    Specifications

    Nominal Diameter

    200 mm (8 in)

    Nominal Impedance

    8 Ω

    Minimum Impedance

    7.4 Ω

    Nominal Power Handling

    200 W

    Continuous Power Handling

    400 W

    Sensitivity

    97 dB

    Frequency Range

    70 - 5000 Hz

    Voice Coil Diameter

    51 mm (2 in)

    Winding Material

    Copper

    Former Material

    Kapton

    Winding Depth

    17 mm (0.65 in)

    Magnetic Gap Depth

    10 mm (0.4 in)

    Flux Density

    1.35 T

    Woofer Cone Treatment

    TWP Waterproof Both Sides

    Parameters

    Fs

    74 Hz

    Re

    5.2 Ω

    Qes

    0.21

    Qms

    9.3

    Qts

    0.21

    Vas

    12 dm³ (0.42 ft³)

    Sd

    220 cm² (34.1 sq²)

    η0

    2.1 %

    Xmax

    6 mm

    Xvar

    5 mm

    Mms

    27 g

    Bl

    17.7 Tm

    Le

    0.56 mH

    EBP

    352 Hz

    Design

    Surround Shape

    Double Roll

    Cone Shape

    Exponential

    Magnet Material

    Ferrite

    Spider

    Single

    Pole Design

    T-Pole

    Woofer Cone Treatment

    TWP Waterproof Both Sides

    Recommended Enclosure

    12 dm³ (0.42 ft³)

    Recommended Tuning

    74 Hz

    Mounting and Shipping Info

    Overall Diameter

    225 mm (8.8 in)

    Bolt Circle Diameter

    210 mm (8.3 in)

    Baffle Cutout Diameter

    187 mm (7.4 in)

    Depth

    100 mm (3.94 in)

    Flange and Gasket Thickness

    9 mm (0.35 in)

    Air Volume Occupied by Driver

    1.5 dm³ (0.05 ft³)

    Net Weight

    5.6 kg (12.35 lb)

    Shipping Units

    1 pcs

    Shipping Weight

    6.05 kg (13.34 lb)

    Shipping Box

    255x255x150 mm (10.04x10.04x5.91 in)

    Service Kit

    lf Recone Kit
    RCK008FW518
    • Cone

    • Basket

    • Centering Shims