Tower Speaker Reviews

Photos by Tony Cordoza As I unpacked Athena Technologies' Audition Series home theater speakers, I recalled that Athena was the Greek goddess of wisdom, reason, and purity. Was it wise and reasonable, I wondered, to expect purity of sound from a six-piece system that costs less than $1,500? If anyone could make such a system, though, I figured Athena could.

A successful loudspeaker is, of course, the sum of all of its parts. As important as the cabinet, crossover network, and other elements are, though, drivers are the foundation. It's hardly surprising that the quest for the perfect driver began even before the debut of the first loudspeaker. The ultimate goal, for dynamic drivers at least, is getting the cone to act like a pure piston, preventing the diaphragm from changing form in any way as it moves in and out. Cone material is vitally important in several ways, not least of which is walking the fine line between having the low mass and speed necessary to respond to even the most subtle electrical cues and having the strength to endure punishment and the stiffness to avoid distortion-inducing cone breakup.

Like three-button suits, ribbon drivers seem to go in and out of fashion arbitrarily. But there's a pattern. First, they're all the rage for their airy, transparent, detailed sound. Then they're shunned because of inherent technical limitations or their low impedances (which present a difficult load for an amplifier to drive). Or because of the complexities involved in getting them to mate with the traditional cone drivers typically used to produce low frequencies. Or because new materials and technologies have improved the performance of cone and dome drivers, which, being easier to manufacture and use, make ribbons' theoretical advantages not worth the hassle. Then there's a breakthrough in ribbon design and the cycle repeats.

The adage goes something like this: "If you don't have anything good to say, don't say anything at all." I'm guessing Gayle Sanders, president of MartinLogan, heard that one a lot while growing up. As the leading manufacturer of hybrid electrostatic speakers, MartinLogan's product line has been largely silent on the subject of subwoofers, with the notable exception of the two imposing subwoofer stacks packaged with their flagship Statement system. But their dealers have said plenty, recommending third-party subs that satisfy the primal urges of home-theater natives.

The late electronics wizard Henry Kloss, founder of Advent and co-founder of Acoustic Research and KLH, devised the concept of the high-performance compact radio back in the 1960s, and he invented timeless products to back up that innovative idea: His classic KLH Model 8 tabletop radio is still sought after, still sounds great, and fetches $500 and up on Internet auction sites. Cambridge SoundWorks, established by Kloss in 1988 and later sold to Creative Technology Ltd., began as a direct marketer of innovative, inexpensive, overachieving radios and powered multimedia speaker systems.

Doing one thing well is an effective strategy for success in business, and one that appears to have been followed by Hsu Research. Headed by Singapore-born, MIT-trained (Ph.D. in civil engineering) Poh Ser Hsu, Hsu Research has been in business for more than 10 years now, and has not wavered from its single-minded mission of offering high-quality, low-cost subwoofers to the public. Hsu produces subwoofers and only subwoofers, resisting the temptation to come out with a line of speakers, cables, amplifiers, digital processors, etc. They have also stuck to the principle of offering products that the average audiophile can afford, selling factory-direct with prices staying below $1000.