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Polk Audio Lsi Series manual

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Table of contents for the manual

  • Page 1

    SERIES CA T ALOG LS i SERIES LOUDSPEAKERS LOUDSPEAKERS FOR SERIOUS LISTENERS[...]

  • Page 2

    ANTI-RESONANT ENCLOSURE Cabinet resonance can ruin the sound of an otherwise well-designed speaker . Y ou don’t want to hear your speaker cabinets humming along with the music (they don’t even know the words), you want to hear the uncolored sound launched by the drivers and tweeters. We take special pains to make sure that Polk speaker cabinets[...]

  • Page 3

    AERA TED POL YPROPYLENE CONE Polk Audio LS i Series Loudspeakers feature ultra stiff, well damped, surprisingly lightweight Aerated Polypropylene Cones. They’re 20% lighter than conventional poly and 35% lighter than aluminum cones. Dynamic Balance composite materials tune out driver resonance and foamed air pockets add damping without adding mas[...]

  • Page 4

    RING RADIA TOR TWEETER The Ring Radiator T weeter , usually found only in speakers costing thousands more than Polk speakers, gives the LS i Series its incredible accuracy and astonishing detail, to reveal the nuances of your favorite CDs, high definition discs and LPs. The ultra-light woven ring radiator diaphragm is supported at two hinge points [...]

  • Page 5

    ARC ® PORT A loudspeaker’ s internal standing wave resonance can impart a “thick” or “chesty” character to the sound of voices. Polk Audio’ s patented Acoustic Resonance Control Port System is tuned to cancel this resonance for utterly clear , accurate and natural midrange. See more about ARC Port at www .polkaudio.com/catalog/technolo[...]

  • Page 6

    POWERPORT ® Polk Audio loudspeakers shatter the boundaries of bass response with patented PowerPort bass venting technology . Conventional ports have limitations: air turbulence at the mouth of the port can cause “port noise” and bass output losses of up to 3dB. (A loss of 3dB means that half of your amplifier power is being wasted on turbulen[...]

  • Page 7

    BIPOLE/DIPOLE SWITCH Use the Bipole/Dipole Sound Customization T echnology of Polk Audio Bi-Directional Surround Speakers to optimize your surround soundstage according to your theater setup and seating layout. Use the Dipole setting for a more diffuse, enveloping rear effects soundstage. Use the Bipole setting to provide a more localized soundfiel[...]

  • Page 8

    CASCADE T APERED ARRA Y Place two drivers near each other and interference between the two drivers creates frequency response errors (called “comb filtering”) for off-axis listeners; people sitting or standing off to the side of the room won’t hear the same tonal balance as listeners who are “on-axis” right in the center of the listening [...]

  • Page 9

    LS i 7 SYSTEM If sound quality in a smaller system is important to you, this LS i 7 multi-channel system matches the LS i 7 bookshelf loudspeakers (used as main and surround speakers in this setup) with the LS i c center channel speaker and the PSW1000 Powered Subwoofer . This system will deliver true audiophile performance and multi-channel excite[...]

  • Page 10

    LS i SERIES LOUDSPEAKERS PRODUCT SPECIFICA TIONS FLOORST ANDING LOUDSPEAKERS LS i 25* LS i 15* Driver Complement 1 - 10" (25.4cm) Dynamic Balance bass driver 1 - 8" (20.3cm) Dynamic Balance bass driver 2 - 5 1/4" (13.3cm) Dynamic Balance mid/bass drivers 2 - 5 1/4" (13.3cm) Dynamic Balance mid/bass drivers 1 - 1" (2.5cm) Dy[...]

  • Page 11

    SURROUND AND CENTER LOUDSPEAKERS LS i F /X* LS i C * Driver Complement 2 - 5 1/4" (13.3cm) Dynamic Balance mid/bass drivers 2 - 5 1/4" (13.3cm) Dynamic Balance mid/bass drivers 2 - 1" (2.5cm) Dynamic Balance Ring Radiator tweeters 1 - 1" (2.5cm) Dynamic Balance Ring Radiator tweeter Frequency Response: Overall / -3dB Limits 40Hz[...]

  • Page 12

    Polk Audio is an award-winning designer and manufacturer of high performance audio products and the largest audio brand of Directed Electronics, Inc. ( NASDAQ , DEIX ). Founded in 1972 by three Johns Hopkins University graduates, Polk Audio holds over 50 patents for advances in audio design and technology . Polk’ s products include loudspeakers a[...]