DD Audio 18″ 700 Series Subwoofer

The DD Audio 700 series is designed for serious performance. It features a DD cast basket supporting a triple stack magnet motor, heavy duty suspension, and a high strength cone coupled to a massive EROM surround, making them best suited for duty in vented or multi-order enclosures.

718D
Speaker Size (In):18
Watts RMS:600 – 1200
Watts Peak:3600
Impedance:D2 / D4
VCD (In):3
Piston Diameter (In):15 1/2
Fs (Hz):26.92
Qms:6.79
Qes:0.567
Qts:0.523
Vas (Liters):170.4
Xmech (MM):80
Xmax (MM):16
Frame OD (In):18 3/8
Frame OD w/ Gasket (In):18 1/2
Mounting Diameter (In):16 5/8
Mounting Depth (In):10 1/2
Motor Diameter (In):7 3/4
Motor Depth (In):3 1/2
Woofer Displacement (CuFt):0.25
Ported Enclosure (CuFt):6.0 – 8.0
Shipping Weight (Lbs):43