Polk Audio EX652a owner manual Sincerely Matthew S. Polk Co-founder and Chairman

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POLK AUDIO – A HISTORY OF EXCELLENCE

Polk Audio was founded in 1972 by Matthew Polk and George Klopfer. Their dream was to make speakers with the performance of the world’s best speakers, at a reasonable price. They did so by applying scientific principles to speaker design and by concentrating solely on the speaker business. That is how Polk became known as “The Speaker Specialists.”

Today Polk Audio is still headquartered in Baltimore, Maryland and is one of the world’s largest manufacturers of home and car loudspeakers. Polk’s research has yielded over 20 patents for advances in loudspeaker performance and value. Polk speakers have earned the praise of audio experts the world over, as well as dozens of awards for innovative, high- quality design. Polk Audio speakers are sold in over 50 countries and in audio/video specialist retail locations throughout the US.

Founders Matthew Polk and George Klopfer still work alongside 300 dedicated Polk team members to bring you the best speakers you can buy.

THE STORY OF DYNAMIC BALANCE®

Your new Polk speakers employ Dynamic Balance, a technology which came out of a joint research project between Polk Audio and Johns Hopkins University. This laser imaging research enables us to view the entire vibrating surface of a driver or tweeter, allowing us to observe the resonances which develop on speaker cones as they move. These resonances are the root cause of frequency response distortions.

As an x-ray enables a physician to discover the root cause of a symptom and thereby prescribe the right treatment for a cure, this laser imaging technique allows Polk engineers to find the right combination of high-tech materials, geometry and construction techniques to tune out the offending resonances. The benefit of Dynamic Balance is the dramatic improvement in the sound quality of our speakers, which every listener can appreciate. You no longer have to choose between excellent bass and smooth, clear midrange and highs. Now you can have it all, thanks to Dynamic Balance technology.

A WORD FROM MATTHEW POLK

Dear Music Lover,

Thank you for purchasing Polk Audio speakers. Designing and building speakers is more than just a business for the people of Polk Audio – it is our passion. We are all dedicated to your complete satisfaction and delight.

Your new Polk speakers include the latest loudspeaker technology to assure outstanding performance and unmatched quality. Please take a moment to read through this manual for information on getting the greatest enjoyment from these fine instruments.

We make a wide variety of automotive loudspeakers, including factory replacements, coaxes, component systems, tweeters and subwoofers. If you would like more information on building the Polk car system of your dreams, consult your Polk Audio dealer or call our Customer Service Department at 1-800-377-POLK (7655) from 9am to 5pm, Eastern Time, Monday through Friday.

Sincerely,

Matthew S. Polk

Co-founder and Chairman

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