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Polk Audio LSi9 Bookshelf speakers Cherry finish | 
 enlarge | Brand: Polk Audio
Category: CE
Buy New: $787.98
New (2) from $787.98
Rating:  3 reviews
Sales Rank: 59062
Media: Electronics
Dimensions (in): 22 x 20.3 x 18
Warranty: 5 years warranty
MPN: AM2197-B
Model: 9
UPC: 047192108664
EAN: 0047192108664
ASIN: B0002552CE
Availability: Usually ships in 1-3 weeks
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| Features:
| • | video-shielded | | • | bass-reflex | | • | frequency response 50-26,000 Hz (-3dB) | | • | 4-ohm impedance; these speakers must be powered using high-current amplification | | • | sensitivity 88 dB |
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| Editorial Reviews:
Amazon.com Product Description
The 200-watt LSi9 high-definition bookshelf loudspeakers add superior musical accuracy and a serious theatrical impact to any home theater system. Inside the sculpted, real wood cabinet are dual, 5.25-inch Dynamic Balance drivers with resonance-suppressing aerated polypropylene cones for wide response and low distortion. Polk's Dynamic Balance technology produces flat frequency response, sharp detail, and an ability to play program material with wide dynamic range at life-like volume levels without a hint of strain. The sound is always clean, clear and effortless. Cast aluminum driver baskets resist flexing for tight bass and coloration-free midrange. The 1-inch ring radiator tweeters in the LSi9 speakers provide extended frequency response, low distortion, excellent dynamics, and superior detail and transparency. The tweeter's ultra-light woven diaphragm is supported at two pivot points, with the voice coil attached between the two points. With very little unsupported material, there's less opportunity for performance-robbing resonance to develop. A mylar bypass capacitor in the high-pass crossover extends and flattens high frequency response so you hear musical details found in high definition formats such as SACD and DVD-Audio. Rear-firing patented Power Port vents built into the back plates provide distortion-free bass and double as convenient wall-mounting brackets. This venting extends and strengthens the speaker's lower-midrange performance for a seamless blend with a subwoofer. The dual, front-mounted Acoustic Resonance Control (ARC) port system reduces unwanted internal enclosure resonance for clear midrange reproduction, eliminating unnatural thickness to voices. Also, the LSi9 speakers are timbre-matched with the LSi Series, for a seamless, realistic surround sound experience. Dual (bi-ampable), gold-plated five-way binding post inputs provide secure wire connections and versatile wiring options. What's in the Box
Two, LSi9 speakers (cherry), manual, and five year parts and labor warranty
Product Description
Polk Audio LSi9 are high definition bookshelf loudspeakers for serious listeners.PRODUCT 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; 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 Power Port 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.
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| Customer Reviews:
 Outstanding sound September 9, 2007
3 out of 4 found this review helpful
If you like classical music or other genres which require high-definition sound, LSi9 is a serious option to consider. You don't need to spend thousands of dollars to get the decent sound. With appropriate upstream components and cables, LSi9 will be a Transparent Source of Clear Sound. Interestingly, strings sound almost like flutes with them, without that excessive "metal feeling", producing clear and open notes. However, be advised that these speakers demand perfection from all other components of your system. I can clearly hear the difference in sound after changing cables, for example, and the difference is not subtle at all! You will also hear all the flaws of suboptimally recorded CDs. While the range frequencies which they reproduce is very balanced and many people say there is no need for subwoofer, actually a good musical subwoofer like Polk PSW12 will help to bring your speaker system to the full-range reproduction. I've spent the entire evening fine-tuning the subwoofer parameters to make it a "transparent complement" to the well-balanced LSi9, avoiding any coloration of the sound. To my ears, the crossover should be set to about 70 Hz for classical music (setting it higher for rock music may be acceptable), and the sub volume - to close-to-zero level. While setting the volume of the sub, try to experiment with switching it on an off repeatedly. At the right volume level, you should only notice a gentle "extra fullness" of the sound, without any distortion of the sound balance provided by LSi9 themselves. The combination of LSi9 with finely blended subwoofer will give you a reference quality speaker system.
 Great speakers, but you should listen before buying... January 3, 2007
4 out of 10 found this review helpful
I broke the cardinal rule: I bought these speakers blind (deaf?), without demoing them. I saw an ad on Audiogon. The price seemed right, and I was in a hurry to get some speakers for a secondary system in our new home. I simply went by the countless positive reviews found on the internet. As soon as I got them, my wife gave them a strange look which let me to believe they were doomed from the start. They seemed a little big for our little "music" room and the cherry finish looks a bit cheapo, compared to our Focal electra 1007 be. After initial setup, they sounded a little dark and unfocused. Then I realised that I had set them wrong, with the tweeters facing outwards. A quick rearranging and they were making some pleasant sounds. The LSi9s make a nice warm and relaxed sound with plenty of bloom in the upper and low bass. No, they don't need a subwoofer unless your are a teenager who listens to Fergie or regaetton.
I am thinking now that they are too much for that little room. They can sound a bit boomy in a small sound, but hooked to high end electronics (electrocompaniet, Cary, EAD) they can really come alive. still , they ultimately sound a bit dull.
I can't help going back and forth between rooms to compare them to the Electras. It's not fair. the Electras cost much, much more. The electras are more open, more controled in the bass and much better treble.
the
electras are also benefiting from the open living room space.. But the LSi9's have very musical qualities and pinpoint imaging. If you are on a budget, these speakers will be perfect for a medium sized living room and with low volume, they will sound very pleasant. I don't thing they sound that good at high volume leves, because of the tonal balance being tilted towards the bass. Do listen to them if you can and choose the darker finish.
really elegant but.... July 14, 2004
Wonderful clarity and really elegant sound and style in beautiful boxes. That said, you still need a sub (although the bass is good) to polish off the sound. By the time you do that and put the speakers on stands (heavy for their size)and adjust them and/or the stands to find the best angle for your favorite listening place, you start wondering why you didn't just buy floor speakers. In my case, I move around the world a lot and they are quality and small enough to ship in my air freight and the sub can come later. Still......
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