. . . a famous audiophile joke best told with hand gestures: Paul Klipsch spies Amar Bose across a street. Klipsch puts his hands up to his mouth to form a horn and yells, "Hello, Amar!" Amar hears and sees him, turns his back to Paul, puts his open hands together about 6" away and slightly offset from his mouth, and yells, "Hello, Paul!"
Interest in super-efficient, horn-loaded, compression-driver loudspeakers has grown in the past few years, fueled in part by a renewed fascination among many hobbyists with low-powered, single-ended triode tube amplifiers. But staring down the maws of two Tubby the Tubas is not every...