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Dual 4 ohm voice coils for wiring flexibility (with a compatible amp)
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Aluminum deposit cone -- a beautiful look with less cone flex and less distortion
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Rear-cone brace for added strength to reduce cone flex under stress
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Santoprene rubber surround
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Massive surround radius provides increased excursion for low bass output and higher SPL
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BAM (Basket and Motor) Enhanced Assembly: new for 2004 -- cast aluminum basket featuring low profile/open design that provides a solid anti-Resonant foundation for the motor assembly
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Perimeter venting which relieves pressure for a more linear response and aids in keeping the voice coils cool
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Patent Pending Stitched Surround that aids in preventing cone/surround separation at high excursions
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Sleeved high-power tinsel lead wires to resist lead breakage
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Spring-loaded nickel plated terminals for solid connections with large gauge speaker wire
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1-year Manufacturer's warranty
