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Summary of Contents for Polk Audio Lsi Series
- Page 1 LSi SERIES LOUDSPEAKERS LOUDSPEAKERS FOR SERIOUS LISTENERS SERIES CATALOG...
- Page 2 We take special pains to make sure that Polk speaker cabinets are resonance-free. All wood cabinet Polk Audio loudspeakers are constructed of costly low-resonance MDF instead of the cheaper and more resonant particle board used by many competitive speaker brands.
- Page 3 LSi 25 AERATED POLYPROPYLENE CONE Polk Audio LSi 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 mass.
- Page 4 The Ring Radiator Tweeter, usually found only in speakers costing thousands more than Polk technology speakers, gives the LSi 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 (A &...
- Page 5 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/technology/.
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Page 6: Power Port
3dB. (A loss of 3dB means that half of your amplifier power is being wasted on turbulence instead of bass!) The distinctive design of the Polk Audio PowerPort gradually slows air exiting the port, vastly reducing turbulence, port noise and energy loss. The result is bass that you will feel as well as hear;... - Page 7 Use the Dipole setting for a more diffuse, enveloping rear effects soundstage. Use the Bipole setting to provide a more localized soundfield in discrete channel systems. Polk Audio Bi-Directional Surround Speakers give you the choice of either polar pattern so you can choose the one that sounds best to you in your set-up.
- Page 8 (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 area. Polk Audio multi-driver speakers combat this with “Cascade Tapered Array” crossovers. One driver is “crossed over”...
- Page 9 LSi 7 SYSTEM If sound quality in a smaller system is important to you, this LSi 7 multi-channel system matches the LSi 7 bookshelf loudspeakers (used as main and surround speakers in this setup) with the LSi c center channel speaker and the PSW1000 Powered Subwoofer.
- Page 10 LSi SERIES LOUDSPEAKERS FLOORSTANDING LOUDSPEAKERS Driver Complement Frequency Response: Overall / -3dB Limits Impedance Recommended Amplification Efficiency Amplifier Continuous Average Power** Subwoofer Amp Dynamic Power Available Finish Shipping Weight (+/- 3 lbs/kgs) Cabinet Dimensions (Including Grille & Binding Posts) Base Dimensions...
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Page 11: Powered Subwoofers
Polk Audio, Polk, PowerPort, Dynamic Balance, F/X, Atrium, Big Speaker Sound Without The Big Speaker, High Velocity Compression Drive, Acoustic Resonance Control, ARC Port, Casket Basket, I-Sonic, SurroundBar & SDA are registered trademarks of Britannia Investment Corporation used under license by Polk Audio, Incorporated. Polk Audio Designs & miDock are trademarks of Britannia Investment Corporation used under license by Polk Audio, Incorporated. - Page 12 NASDAQ DEIX Johns Hopkins University graduates, Polk Audio holds over 50 patents for advances in audio design and technology. Polk’s products include loudspeakers and electronic components for home, auto and marine applications, the first satellite radio home component tuner, the world’s first audiophile-grade active IP-addressable loudspeaker, the first THX ®...
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