B&W Debuts High-Performance Subwoofer

13-Nov-02

B&W Loudspeakers has introduced the ASW-CDM, which features packs a high-output 12-inch driver and a 1,000-watt dedicated amplifier. The new sub occupies a volume of 15 x 15 x 20 inches.""We challenged the design team at our Steyning Research Center to produce state-of-the-art slam and bottom-octave extension from a high-end subwoofer with an even more compact and elegant form than we had previously achieved,"" says B&W Loudspeakers Executive Vice President Chris Browder. ""It required a good deal of fresh thinking and innovative engineering, but in the end they succeeded admirably. The ASW-CDM is claimed to produce useful output down to 15 Hz.B&W's new, long-throw 12-inch driver features a diaphragm, composed of B&W's woven-KevlarÆ material, reinforced for the ASW-CDM application with resin-impregnated fibers. The driver uses a one-piece, ""mushroom ring"" bonded assembly of the cone, carbon fiber voice coil bobbin, and reinforced dust cap. The ""motor"" system incorporates a ""T""-shaped pole piece and aluminum focus ring. B&W also devised a ""triple decker"" suspension system for the ASW-CDM driver.B&W has equipped the ASW-CDM with a new, 1,000-watt dedicated amplifier. The sub features an active second-order low-pass filter with continuously variable roll-off frequency. The low-pass filter may be defeated, and there is a phase-reverse switch. The ASW-CDM further provides third-order, fixed high-pass filtering on its line level ""return"" outputs. There's also a Link Out connection for daisy-chaining additional subs.The ASW-CDM's sealed enclosure is assembled from heavyweight wood composites and is extensively braced. The cabinet is available Black Ash, Cherrywood, and red-stained Cherrywood veneers. The ASW-CDM is available at a manufacturer's suggested price of $1,600.For more information, visit www.bwspeakers.com.

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