普乐之声书架箱LSi7(polkaudio)

"Midsized speakers don’t get much better than the LSi7... Compared to their real competition, which lies in the high end, Polk’s LSi7 speakers...are excellent buys." - Mark Fleishman, Audio Video Interiors Magazine 10/02

The LSi7 is a bookshelf speaker that delivers superior linearity, definition and imaging, as well as bass response that's rich, deep and satisfying. Like the whole LSi Series, it is highly accurate and intensely musical. Its single driver and Ring Radiator Tweeter present a large soundstage without sacrificing pinpoint localization. Listen to the LSi Loudspeakers with SACD and DVD-Audio sources to reveal higher accuracy and resolution, with more dynamic response and superb focus; true three-dimensional imaging and remarkable reproduction of even the finest details.

The LSi7 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!
• 5 1/4" Dynamic Balance driver with Aerated Polypropylene cone for wide response and low distortion.
• 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-point, 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	1 - 5-1/4" Diameter (13.34cm) Dynamic Balance with Aerated Polypropylene cone, cast basket and rubber surround (shielded)
  Tweeter	1 - 1" Diameter (2.54cm) Dynamic Balance Ring Radiator (shielded)
  Electrical
  Overall Frequency Response	45Hz - 27kHz
  Lower -3dB Limit	53Hz
  Upper -3dB Limit	26kHz
  Nominal Impedance	4 ohms
  Recommended Amplifier Power	20 -150 w/channel
  Efficiency	88 dB
  Crossover	2.4kHz; HPF 18dB/oct, LPF 12dB/oct.
  Inputs	Dual 5-way binding posts for bi-amp/bi-wire
  Dimensions
  Cabinet Size	13-5/8" H x 8-5/8" W x 10-1/4" D (34.61cm H x 21.91cm W x 26.04cm D)
  Mounting Options	Bookshelf, stand, on-wall with built-in keyhole slot
  Enclosure Type	Vented via rear-mounted Power Port and a single front mounted ARC port
  Shipping/Other
  Product Weight	21.00 lbs. (9.53kgs)
  Shipping unit:	each
  Total Shipping Weight	40.00 lbs. (18.14kgs)
  Speaker Warranty	5 years parts and labor (original purchaser)
  Accessories (comes with)	Rubber bumper pads

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