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Selenium 18" Subwoofer Speakers These Selenium 18" subwoofers feature a triple cooling system, 4" high-power voice coils, cast aluminum frames and dual spider assemblies.
18SWS1100
This a high power 18” professional subwoofer specially designed to reproduce sound at the very low end of the audio spectrum. 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. 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.
Size: 18"
Power Rating: 1100W RMS Frequency Response: 30-2.5kHz Sensitivity: 97db Impedance: 8 ohms Voice Coil: 4" fiberglass Resonant Frequency: 39 Hz Magnet Weight:120 oz.
Selenium 18" Subwoofer Speakers
