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H-PAS

Atlantic Technology's big-sounding little speaker takes it to the max

I admit it: I like big speakers, the bigger the better as far as I'm concerned.

Big speakers sound more realistic, they play louder with lower distortion, and they have better and deeper bass than small speakers. Then again, I'm an audiophile, so I prioritize sound quality over almost everything else. I also know big speakers are out of the question for most folks, but what if there were a reasonably sized speaker that produced big-speaker sound? The Atlantic Technology AT-2 is such a speaker.

It was just last year when Atlantic's AT-1 tower speaker ($3,000 a pair) rocked the audiophile world and garnered a slew of rave reviews, so when I heard the smaller AT-2 ($1,800 a pair) was about to be released I just had to get it for review. It did not disappoint. … Read more

Mission impossible: High-quality bass from small speakers?

Bass, really high-quality bass, is something I associate with large speakers and subwoofers. Smaller models generate significantly less bass output, but thanks to clever design it is possible to eek out more bass than little boxes used to make. But trust me, you can't predict bass performance by reading speaker specifications. Listening is the only way to learn what a speaker sounds like.

Speaker designers use all sorts of tricks involving bass ports and equalization techniques to boost bass, but bass quality, if not quantity, suffers in direct comparison to larger designs. Right, size still matters.

That may change: Atlantic Technology and Solus/Clements, two American speaker manufacturers, announced that they have joined forces to develop, market, and license a revolutionary new loudspeaker design protocol capable of delivering deep, low-distortion bass at high volume levels. This technology, dubbed H-PAS, (hybrid pressure acceleration system) will allow smaller cabinets and small drivers to achieve levels of performance "...normally associated with much larger speaker systems."

The new patent-pending system combines elements of several technologies: bass reflex, inverse horn, and transmission line in a unique cabinet design. H-PAS does not require the use of special drivers, any kind of onboard electronics or outboard equalization--it is a purely passive system, completely compatible with all amplifiers and receivers. … Read more