718d


Serious Performance

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The 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.

Features

  • EROM surround
  • High-temp, 3.0”, voice coil
  • Triple Layer Deep bass, high excursion spider system
  • Unique glass fiber and natural pulp cone
  • Back plate coil gap venting
  • Extended pole piece
  • DD cast basket

718d: 600w to 1200w – 18 Inch Power Tuned Subwoofer

Speaker Size (In): 18
Watts RMS: 600 - 1200
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: 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
Price (USD): 620 each

The 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.

Resources

Included in the Box

DD Audio
4025 NW 36th Street
Oklahoma City, OK 73112
(405) 239-2800 | Fax: (405) 239-7100