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JBL Professional - 18SWS1100
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18" Subwoofer 36Hz, 1100W

Model: 18SWS1100
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The 18SWS1100 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 2,200 Watts Continous Music. A bumped bottom plate assures a compatible maximum displacement and the extended pole piece keeps the magnetic field linearity in order to avoid distortion; it also improves the heat transfer. The magnet assembly was designed with the assistance of a Finite Element Analysis (FEA) software in order to ensure optimization. A 4” (100 mm) voice coil wound in a fiberglass former with flat aluminum wire drives the moving assembly. 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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by Meyer Sound Laboratories, Inc.
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