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  Wednesday, March 24, 2010

  Thinnest on-Wall Speaker - Mytos XTR-50 sets world record

  BALTIMORE, MD, USA -- Home audio company Definitive Technology announced it has developed the 1.5-inch-thick Mythos® XTR®-50 - which sets the new world record for the thinnest high-performance on-wall home theater loudspeaker.

   (enlarge photo)

   The Mythos XTR-50 cabinet measures 27 inches high, 6 inches wide and 1.5 inches thick, the perfect size for televisions measuring 46 to 55 inches.

   The Thinnest on-Wall Speaker comes supplied with a wall-mounting bracket that allows either vertical or horizontal orientation, with a total on-wall depth of only 1.6 inches. Also supplied are stands for vertical tabletop use and horizontal shelf placement.

   Definitive developed the Mythos XTR-50 to look great on a wall or shelf next to an ultra-thin television, with no sacrifice in sound quality. The Mythos XTR-50 offers the audio definition, detail, bass and dynamic range performance of traditional larger speakers.

    "Ultra-thin TVs do a wonderful job displaying realistic, high-definition images, but they need external speakers to provide equally high-quality sound," said Dave Peet, executive vice president of Definitive. "Previously, the only choices customers had were finding space in the room for full-sized speakers or cutting a hole in the wall to hide them, with only the grille showing."

  The company accomplished the Mythos XTR-50's thin profile through innovative engineering of a variety of materials, including naturally strong, but lightweight aluminum. This metal has the added advantage of quickly dissipating heat.

   Speakers produce sound by moving air with a "diaphragm." Most manufacturers form them into a cone shape from materials such as paper, plastic or woven fibers, but Definitive instead developed an aluminum dome that both produces sound and partly houses other components, such as a voice coil.

   Voice coils typically contain lengths of wound copper wire, which is an excellent signal conductor but at the trade-off of being heavy. The Mythos XTR-50 uses lighter copper-clad aluminum-core wire to offer the advantages of both.

  Another secret to the Mythos XTR-50's thin profile and superior performance is its aluminum cabinet. By specially shaping the enclosure and incorporating stiffening ribs and channels,    Definitive achieved a strong, rigid housing that produces no unwanted resonance.

   Additionally, magnets used for driving the speakers protrude through, but flush with, the rear wall of the cabinet, to minimize depth and conveniently dissipate heat throughout the enclosure.

   Other product components are made from polyimide film, another strong, lightweight and heat-resistant material used in spacesuits and the Apollo Lunar Module.

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   Wednesday, March 24, 2010

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