Atlantic Ships H-PAS Bookshelf

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Norwood, Mass. - Atlantic Technology has begun shipping its second home speaker with H-PAS (Hybrid Pressure Acceleration System) bass technology.

The $1,800/pair AT-2 is the company's first bookshelf speaker with the technology, joining the floorstanding AT-1 speaker with H-PAS. An active soundbar incorporating the technology is also under development.


The speaker will be displayed during International CES at the Venetian Veronese 2501A.

H-PAS is said to deliver much higher levels of deep, low-distortion bass than conventional speakers. The technology is said to break the common wisdom that among three key goals of speaker design -- deep bass extension, a compact enclosure and good efficiency -- speaker designers must choose two at the expense of the third.

The AT-2 is less than 16 inches tall with an interior acoustic volume of less than 0.66-cubic-feet and delivers bass down to 44Hz at -3dB. It features single 5.25-inch long-excursion woofer and the same 1.13-inch Low Resonance Tweeter (LRT) used in the AT-1. The crossover frequency of 2,200Hz is much lower than most conventional two-way speakers to deliver wider horizontal midrange dispersion. The cabinet dimensions are 15.63 inches by 8.75 inches wide by 12.25 inches.


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