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JBL Professional - 18SWS800
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18" Subwoofer, 32Hz, 800W

Model: 18SWS800
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The 18SWS800 is a high power 18” professional subwoofer specially designed to reproduce sound at the very low end of the audio spectrum.This new design is capable of handling up to 1,600 Watts Continous Music. A bumped and undercut T-yoke assures a minimum of magnetic rectification (off centering) and a compatible maximum displacement. The magnet assembly was designed with the assistance of a Finite Element Analysis (FEA) software in order to ensure optimization. The 18SWS800 employs a 4” (100 mm) diameter 4-layer cooper voice coil using over 80 grams of cooper. This is wound in a fiberglass former, twice the thickness of typical formers, to drive the moving assembly with great rigidity. A non-pressed long fiber pulp cone has the necessary stiffness to withstand the tremendous accelerating forces involved and is properly centered by two counteracting polycotton fiber spiders. An triple cooling system consisting of a large diameter center hole surrounded by six smaller holes (directly cooling the gap) and six frame windows (cooling the air trapped between the two spiders) are responsible for an efficient heat transfer mechanism. A highly reinforced aluminum injected frame is effective in absorbing mechanical shocks and acts as a heat sink without interfering with the magnetic field
 
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