Klipsch Klipschorn AK6 loudspeaker
This almost happened 13 years ago. Thinking the time was right for a Klipschorn review2006 was the 60th anniversary of its designI got in touch with a Klipsch representative, who requested photos of my room and details of its size and construction style. My reply was followed by a three-day lag in correspondence, after which came the disappointing news: "We're sorry: It won't work." The problem: There were baseboard radiators too near the corners of the room where the speakers would be installed; consequently, the Klipschorns couldn't be snugged all the way against those corner wallsan iron-clad requirement for their use.
It's been a long time since we've seen a really new tweeter design. Only five basic types have ever been developed: cones, domes, panels, ribbons, and ionic plasmas. And the most recent of thesethe long-defunct DuKane "blue-glow" Ionovacwas introduced 40 years ago. Since then, tweeter development has been more evolutionary than revolutionary, a series of refinements that has made them more efficient, more reliable, and smoother and more extended in response.
Ask anyone in the street what they think of when they hear the word "loudspeaker" and odds are they'll describe a wooden box with moving-coil drivers sitting in its front. But ask a Stereophile reader and it's quite possible that he or she'll describe a large, flat panel reminiscent of a room divider: in our 