![]() The midrange is made of magnesium, a slightly heavier self-damping metal that's also super-stiff. Its low mass and strength make it a superb material for the job in hand, but it is costly and hard to work with. The tweeter uses a pure Beryllium diaphragm chemistry boffins will know this to be the lightest stable metal in the Periodic Table. As the two drivers share the same acoustic centre, they are time-coherent and have matched directivity, which produces nicely controlled radiation patterns of both direct and reflecting sounds. Other manufacturers like KEF, with its Uni-Q driver, for instance, use a similar type of design. The 25mm dome tweeter is mounted concentrically within the 90mm midrange cone, effectively becoming a point source of sound. Not your average High Street brand, then.Ĭosting a cool $18,499 in Australia with matching stands, the Micro Evolution One (ME1) is TAD's entry-level loudspeaker – its smallest and least expensive offering! It sports a 160mm woofer that works with a unique Coherent Source Transducer coaxial midrange/tweeter driver. Since 2003 the company has branched out into the consumer sphere with speakers and electronics, albeit operating at the very top of the market. It was created by Pioneer in 1975 to make reference loudspeakers for Japan's professional audio market. ![]() Most audiophiles won't have heard a TAD loudspeaker it was only at a hi-fi show that I first encountered the brand several years ago. ![]() remains one of high-end hi-fi's best-kept secrets. Technical Audio Devices Laboratories, Inc.
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