Polk Audio LSi9 Bookshelf Loudspeaker

Polk Audio Updated: 2008-11-16 RSS
Polk Audio LSi9 Bookshelf Loudspeaker

The LSi9 features:

* Superior musical accuracy, serious theatrical impact.
* Designed for high definition formats such as SACD and DVD-Audio.
* Mirror imaged pairs for tightly focused highs and true three-dimensional imaging with minimized room reflections: Hear what you've been missing!
* (2) 5 1/4" Dynamic Balance drivers with Aerated Polypropylene cones for wide response and low distortion.
* Cascade Tapered Crossover array ensures flat miband response and improves imaging focus, and depth.
* Cast aluminum driver baskets resist flexing and "ringing" for ultra-tight bass and coloration-free midrange.
* Ultra high performance Ring Radiator tweeters, rare in speakers at this price, for extended frequency response, low distortion, excellent dynamics, and superior detail and transparency.
* Side panels are 1-1/2" thick for a totally inert enclosure - you hear all the music and only the music.
* Precise deep bass response provided by a rear-firing PowerPort® venting system built into the speaker's back plate.
* Smooth, natural midrange reproduction thanks to patented Acoustic Resonance Control technology.
* Magnetically shielded for safe placement near video monitors.
* Premium crossover components with advanced transducers for consistent high-end sound quality.
* Mylar bypass capacitor in the high-pass crossover extends and flattens high frequency response. Hear musical details you've never heard before!
* Open architecture low diffraction grille for spacious imaging.
* Dual (bi-ampable) gold plated 5-way binding post inputs for the most secure wire connections and the most versatile wiring applications.
* Sculpted real wood side panels available in Ebony or Cherry finish.

Driver Complement
Mid/Woofer: 2 - 5-1/4" Diameter (13.34cm) Dynamic Balance with Aerated Polyprpylene cone, cast basket and rubber surround (shielded)
Tweeter: 1 - 1" Diameter (2.54cm) Dynamic Balance Ring Radiator (shielded)

Overall Frequency Response: 38Hz - 27kHz
Lower -3dB Limit: 50Hz
Upper -3dB Limit: 26kHz
Nominal Impedance: 4 ohms
Recommended Amplifier Power: 20 - 200 w/channel
Efficiency: 88 dB
Crossover: Driver 1: LPF at 200Hz 12dB/oct,
Driver 2: LPF at 2.4kHz, 12 dB/oct.
Tweeter: HPF at 2.4kHz 18dB/oct.
Inputs: Dual gold plated 5-way binding posts for bi-amp/bi-wire hookup

Cabinet Size: 14-7/8" H x 8-5/8" W x 15-1/4" D (37.78cm H x 21.91cm W x 38.73cm D)
Mounting Options: Bookshelf, stand
Enclosure Type: Vented via rear-mounted Power Port and dual front-mounted ARC ports