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Polk Audio LSi M706C Center Channel Speaker
Product ID: LSiM706C
Manufacturer: Polk Audio
Product UPC Code: : 747192121181
Polk Audio LSi M706C Center Channel Speaker
List Price: $1,199.95
Price: $1,199.95

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Polk Audio LSiM 706C Owners Manual



The Serious Center Channel Speaker

Build the cinema of your dreams with this high performance flagship center channel speaker designed to hold its own next to the LSiM707 and 705. Two 6 1/2-inch mid-woofer drivers and a dual PowerPort® bass venting system mean that this is a center channel speaker that can effortlessly deliver tremendous volume levels. The 3 1/4-inch midrange and the 1-inch ring radiator tweeter, usually found on speakers costing many times more, help anchor the action to your screen with clear details. The LSiM706c keeps pace, and blends seamlessly, with the front stage output of your LSiM floorstanding loudspeakers. LSiM706c Features:

Polk’s exclusive dynamic sonic engine design optimizes the midrange driver and the ring radiator tweeter in separate interior chambers for improved transient response, superior imaging and greater horizontal off-axis response.

Enhanced, reengineered ring radiator tweeters extend top-end response for incredible details and realistic imaging.

Our innovative overhung voice coil design augments the excursion length for subwoofer drivers, increasing their power-handling capabilities and enhancing bass response.

Extended Linear Motion voice coil design allows lots of movement in a limited space, eliminating impedance and extending mid- and high-frequency response.

Lightweight, rigid cast aluminum baskets are designed for precision motor alignment with unobstructed linear movement and ample venting.

Klippel motor optimization uses laser measurement technology to ensure a smooth excursion path at either end of the volume spectrum for uniform performance at both low and high volumes.

Polk’s proprietary, patented Dynamic Balance® technology allows our engineers to design out distortion-causing driver and system resonances, so you only hear the good sounds.

Our super cell aerated polypropylene cone is the ideal balance of lightweight stiffness (for more efficient action with less distortion-causing flex) and superior damping properties.

Durable, computer-modeled, injection-molded butyl rubber surrounds suppress unwanted cone resonances for a lifetime of reliable sound.

High quality, heavy duty LSiM enclosure construction features 1.0" MDF on the sides, 3/4" MDF on the back and bottom, and 1 1/4" baffles with substantial internal bracing and separate interior cabinetry for each driver. These exceptionally robust materials efficiently eliminate cabinet resonances and standing waves for less distortion and more dynamic transparency.

Beautiful furniture-grade hardwood veneer cabinet finishes, with sleek trim accents and no visible screws.

Super-thin zero-diffraction grilles lock in place magnetically, and never obscure your sound.

PowerPort bass venting is Polk’s patented design for smoothly transitioning the air flow from the port into your listening area, eliminating turbulence and distortion, for bigger, more efficient, deep bass impact.

All Polk loudspeakers are timbre-matched within their series, designed with the same components throughout, to achieve seamless speaker-to-speaker blending effects in multi-channel systems.

Dual gold-plated, professional-style 5-way binding posts, for the most secure connection options.

Dual binding posts allow bi-amp or bi-wire connections, for the ultimate in customized high performance audio.

All Polk products are made using the best materials and the most advanced manufacturing techniques. They pass the industry’s most exhaustive quality tests, including drop testing, extreme signal response and UV & salt exposure testing. Polk loudspeakers are built to perform for a lifetime.
Driver Complement

Tweeter
Quantity 1
Diameter 1" (2.54cm)
Type Dynamic Balance enhanced ring radiator tweeter
Midrange

Quantity 1
Diameter 3 1/4" (8.26cm)
Type Dynamic Balance drivers with super cell aerated polypropylene cone
Mid / Woofer

Quantity 2
Diameter 6 1/2" (16.51cm)
Type Dynamic Balance drivers with super cell aerated polypropylene cones
Electrical

Total Frequency Response 30Hz-40kHz
Upper -3dB Limit 30 kHz
Lower -3dB Limit 50 Hz
Nominal Impedance 8 ohms
Efficiency 88 dB
Crossover

Type Orth crossover design
Tweeter/midrange

Crossover Frequency 2.8 kHz
Midrange/midbass

Crossover Frequency 280 Hz
Recommended Amplifier Power 20-250 watts per channel
Inputs Dual gold-plated binding posts
Dimensions

Cabinet Dimensions
Height 9" (22.86cm)
Width 28 3/4" (73.03cm)
Depth 13 13/16" (35.08cm)
Enclosure Type

Mid-High Array Enclosure Type Sealed
Midwoofer Enclosure Type Dual PowerPort bass venting
Mounting Options Shelf; Speaker stand
Product Weight (each) 42.3 pounds
Shipping

Unit of Measure Each
Total Shipping Weight 46.3 pounds
Included Accessories Binding post jumpers; Owners manual; Registration card
Warranty

Speaker Warranty 5 years parts and labor (original purchaser)
 
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