Polk Audio Center Channel Speaker in Black Ash - AM8640
Model #:AM8640
Category :Center-Channel Speakers
Polk Audio Center Channel Speaker in Brown Walnut - AM8940
Model #:AM8640
Category :Center-Channel Speakers
Polk Audio Center Channel Speaker in Black Ash - AM8640
Model #:AM8640
Category :Center-Channel Speakers

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Whether watching the Super Bowl, the latest blockbuster action movie or even playing your favorite video game, the Polk Legend L400 center speaker will put you in the action. Don’t underestimate the most important speaker in your home theater system. It allows you to feel, hear and understand every word.

Crisp and clear

Pinnacle ring radiator tweeter

40 plus years of tweeter innovation, design and prototyping has led to the development of the new 1” high definition Pinnacle ring radiator tweeter. Developed for the Legend Series, it delivers ultra-clear, crisp highs without unwanted coloration or distortions. The Pinnacle tweeter features a finely tuned waveguide that dramatically improves the dispersion of high frequency energy ensuring a broad “sweet spot” while the critically damped rear-chamber helps to defeat any unwanted resonances.

5.25" turbine cone

Polk developed the new Turbine cone specifically for the Legend series to ensure the natural reproduction of the mid-range, the frequencies our ears are so sensitive to. The Turbine cone combines Polk’s proprietary foam core and the molded Turbine geometry which dramatically increases stiffness and damping, without adding mass, resulting in a smooth, detailed mid-range and effortless bass – hear every detail.

BETTER BASS BY DESIGN

Enhanced Power Port

Traditional bass ports make noise (chuff) and mask the low frequency bass notes you want to hear. The new enhanced Power Port® design smoothly transitions air flow from the speaker into your listening area for louder, cleaner bass while minimizing turbulence, distortion, and port noise. Polk refined their current Power Port technology specifically for the Legend series by fine-tuning the geometry of the port flare. Hear and feel the difference; Polk Enhanced Power Port® produces less port noise and more powerful clean bass than traditionally ported loudspeakers.

Hi resolution certified

Your sound is only as good as your source. With High-Resolution certification, the Polk Legend L100 delivers clear and detailed high-end response. Female vocals are smooth and detailed without coloration. Plus, a minimum support of 40kHz perfectly reproduces the latest high resolution audio files with improved audio extension.

Iconic design

Designed to impress

Completely redesigned from the ground up to deliver the best sounding Polk speakers ever created. this speaker is the pinnacle of the Polk promise of delivering the ‘best speaker in its class’.

 

Anti-Diffraction Magnetic Grille

Every detail

40 years of dedication to building best in class products doesn’t happen without every single details being scrutinized, tweaked, reassessed until all the details are perfect.

Anti-Diffraction Magnetic Grille

Computer modeled for a precision fit and to minimizes sonic interference. The acoustically inert magnetic grille offer a clean aesthetic without sacrificing sound

Large Dual 5-Way Binding Posts

Perfect for easy setup, dual binding posts ensure the most direct, efficient, and loss-less connection possible while supporting both bi-wire and bi-amping

New 4" turbine cone mid-range driver

Polk developed the new Turbine cone specifically for the Legend series to ensure the natural reproduction of the mid-range, the frequencies our ears are so sensitive to.

Warranty
Total Pieces1
Included Upon Purchase5 years (nontransferable)
Additional Upon Product Registration5 years (nontransferable)
L400 Center Channel Speaker
Power Handling (per channel)25 watts → 300 watts
Tweeter/Midrange Crossover Frequency2700 Hz
Midrange/Woofer Crossover Frequency260 Hz
Peak Power Handling300 watts
Type3way Orth Crossover
Lower and Upper -3dB Limits55 Hz → 38,000 Hz
Sensitivity (1 watt @ 1 meter)87.5 dB
Total Frequency Response42 Hz → 50,000 Hz
Nominal Impedance Range3.4 ohms → 4 ohms
Recommended Amplifier Power Setting80W
Driver Complement (1)  1" (2.54 cm) d (Round) Pinnacle Ring Radiator Tweeter , (1)  4" (10.16 cm) d (Round) Turbine Cone Midrange , (2)  6.25" (15.88 cm) d (Round) Mid/Woofer
Driver Enclosure TypePower Port Bass Vented with Sealed Midrange
Weight40.8 lbs (18.51 kg)
Depth13.44" (34.14 cm)
Width26" (66.04 cm)
OrientationHorizontal
Height9.47" (24.05 cm)
Total Pieces1
OVERALL
Carton 146.2 lbs (20.96 kg)
Total Pieces3
Included Accessories (1) Cleaning cloth , (1) Removable Magnetic Grille

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