FrontRunners: Heavy Metal

Much of the roughly 700-pound weight of the new 5-foot-7-inch-tall Sonus Faber Flagship loudspeaker (www.sonusfaber.com) rests in the huge vibration conveyors at the cabinet’s top and bottom. The considerable mass and clamshell shape of these anodized aluminum blocks trap and collect the energy generated by audio frequency resonance. A vertical …

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FrontRunners: Heavy Metal