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The JL Audio 8W7 is an 8" audio subwoofer, in the W7 product series.

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The JL Audio 8W7 is an 8" audio subwoofer, in the W7 product series. This series provides models in 8, 10, 12 and 13 inches. The core design is consistent across the product line. The first number represents the size in inches for the surface area of the speaker. The 8W7 offers a free air resonance of 35.2 Hz and a thermal power handling of 500 W, the lowest in the series. The 8W7 offers between 125 to 500 watts of power. Operation over 500 watts is not recommended for this model and voids the warranty. To go up to 750 Watts, try the 10W7 model, for 1,000 Watts the 12W7 model and for 1,500 Watts, look at the 13W7 model.  A detailed product manual is included with the subwoofer, along with a visual installation guide.  Online tutorials provide step by step instructions on the wiring and installation of the subwoofer.

Features
  • Free Air Resonance is 35.2 Hz
  • Electrical Q is 0.654 Qms
  • Mechanical Q is 9.50 Qms
  • Total Speaker Q is 0.612 Qts
  • Equivalent Compliance is 0.61 cu.ft or 17.4 liters
  • On-Way, Linear Excursion is 0.75 inches or 19 mm
  • Reference Efficiency is 0.112%
  • Efficiency at 1W/1M is 82.7 dB SPL
  • Normal Impedance is 3 ohm
  • Thermal Power Handling is 500 W
  • Net Weight is 17 lbs or 7.8 kg
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