

The cherry baffles were glowingly finished, and the art deco detailing on the front of the lower box popped vividly into three dimensions even when seen from the listening chair. The Custom finishes add $3000/pair, and if looks alone can justify such an expenditure, the 505LTD Customs' do. The visually snazzier Custom features solid-cherrywood front and rear baffles in a variety of colors. The standard level ($8000/pair) offers satin or high-gloss black with wood accents. Though of only moderate size, the 505LTD is Tetra's largest model, and comes in two levels of finish. That meeting, more than 10 years ago, was the cornerstone of Tetra. Butts realized that at last he had met a kindred audio spirit looking to solve the same problems he'd been wrestling with, and Prince recognized in Butts a guy whose knowledge of loudspeaker and crossover design would take the best advantage of his cabinetry. Meanwhile, Prince was trying to attract interest in his new approach to building speaker enclosures using tetrahedral geometry, to no avail-until a chance meeting with Butts brought all of the necessary elements together.
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While Butts had determined that the standard rectangular loudspeaker cabinet was absolutely the wrong shape for minimizing internal standing waves, he had not yet been able to figure out how to solve the problem.

Tetra was the brainchild of cabinetmaker Wayne Prince and musician and speaker designer Adrian Butts. Based in Ottawa, Ontario, the company has been around for a decade, but has taken a slow and steady approach to building its visibility in the insanely competitive and trend-conscious world of high-end loudspeakers. Tetra Speakers may not be a familiar name to many US audiophiles.
