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Atlantic Brings H-PAS Design To Bookshelf Speaker

9/20/2010 08:32:20 AM Eastern
Atlanta - Atlantic Technology is going to the Expo to demonstrate a prototype bookshelf speaker incorporating H-PAS (Hybrid Pressure Acceleration System) bass technology, which delivers targeted bass performance with 50 percent smaller cabinets, smaller drivers and lower costs, the company said.

 It will join an existing H-PAS floorstanding model.

The prototype AT-2 is only an 8.75-inch-wide by 15 5/8-inch-high by 12.25-inch deep, yet with an interior acoustic volume of less than 2/3-cubic foot, it delivers bass response down to 39Hz at -3dB, the company said.

"H-PAS allows exceptionally deep bass response with very low distortion relative to speaker size," the company said. "The H-PAS-enabled low frequency reproduction is notable for its power, clarity and impact, with none of the often muddy, indistinct mid- and lower-bass anomalies that characterize many other designs. 

The bookshelf speaker features  single 5-1/4-inch long-excursion woofer and the same 1-1/8-inch Low Resonance Tweeter used in the AT-1. Its crossover frequency of 2,100 Hz is much lower than most conventional two-way speakers to deliver much wider horizontal midrange dispersion.

Atlantic Technology expects to begin production early in 2011 and plans to license out the technology.

H-PAS was designed to break what the company calls "the iron law of loudspeaker design," which among other things, states that among three major goals of speaker design - deep bass extension, a compact enclosure and good efficiency - speaker designers must choose two at the expense of the third.

H-PAS combines elements of bass reflex, inverse horn, and transmission-line speaker technologies to pressurize and accelerate low frequencies, the company explained.
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