LSi SERIES LOUDSPEAKERS LOUDSPEAKERS FOR SERIOUS LISTENERS
SERIES CATALOG
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“I am a little stunned by the Polk LSi15…
outstanding accuracy, detail and nuance…”
The Absolute Sound,
April/May 2002
LSi25
LSi15
AERATED POLYPROPYLENE CONE
Polk Audio LSi Series Loudspeakers feature ultra stiff, well damped, surprisingly lightweight
Aerated Polypropylene Cones. They’re 20% lighter than conventional poly and 35% lighter than
aluminum cones. Dynamic Balance composite materials tune out driver resonance and foamed
air pockets add damping without adding mass. These cones deliver spectacular midrange
clarity, punchy bass and high efficiency. See more about Aerated Polypropylene Cones at
polk
technology
Scanning electron microscope
image of Aerated Poly Cone
showing air pockets.
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LSi SERIES LOUDSPEAKERS
LSi 9
LSi 7
With the performance characteristics of a premier floorstanding
loudspeaker, the LSi9 will deliver the best bookshelf
performance possible. Astounding detail, excellent accuracy
and dynamic range (with rear-firing PowerPort® for deep bass
response), and flawless fit and finish make the LSi9 the choice
for serious listeners with limited space.
Compact yet powerful, the LSi7 is engineered to deliver all of
the lifelike detail, imaging and accuracy of the larger speakers
in the LSi Series, sacrificing little to be the perfect speaker for
audiophile systems in smaller rooms.
5 1/4" Dynamic Balance driver with Aerated Polypropylene
Cone for wide response & low distortion.
Superior musical accuracy, serious theatrical impact.
Two 5 1/4" Dynamic Balance® drivers with Aerated
Polypropylene Cones for wide response & low distortion.
Cascade Tapered Crossover array ensures flat mid-range
response, improved imaging focus, and depth.
Cast aluminum driver baskets resist flexing & “ringing”
for ultra-tight bass and coloration-free midrange.
Ring Radiator tweeter for extended frequency response,
superior detail and transparency.
Rear-firing PowerPort for precise deep bass.
Acoustically inert side panels are 1 1/2" thick.
STANDS COURTESY OF SANUS SYSTEMS® (NOT INCLUDED WITH SPEAKER
PURCHASE). AVAILABLE FOR SALE AT SHOP.POLKAUDIO.COM.
STANDS COURTESY OF SANUS SYSTEMS® (NOT INCLUDED WITH SPEAKER
PURCHASE). AVAILABLE FOR SALE AT SHOP.POLKAUDIO.COM.
OVERALL DIMENSIONS:
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)
OVERALL FREQUENCY RESPONSE 45HZ - 27kHZ.
OVERALL DIMENSIONS:
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)
OVERALL FREQUENCY RESPONSE 38HZ - 27kHZ.
SEE SPECIFICATIONS FOR MORE DETAILED PRODUCT INFORMATION.
SEE SPECIFICATIONS FOR MORE DETAILED PRODUCT INFORMATION.
CHERRY
EBONY
CHERRY
EBONY
RING RADIATOR TWEETER
polk
The Ring Radiator Tweeter, usually found only in speakers costing thousands more than Polk
speakers, gives the LSi Series its incredible accuracy and astonishing detail, to reveal the
nuances of your favorite CDs, high definition discs and LPs. The ultra-light woven ring radiator
diaphragm is supported at two hinge points (A & B) and is driven by a centrally positioned
voice coil (C). With a higher ratio of supported material than conventional tweeters, there’s less
opportunity for performance-robbing resonance to develop. This remarkable tweeter delivers
accurate high frequencies with precise detail and wide dispersion. See more about The Ring
technology
B
A
C
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“[Polk has] hit the bull’s-eye with the LSi9. Not only
is it an exceedingly refined, first-class performer, it
has specific sonic qualities that make it stand out
in its price class.”
SoundStage!.com,
April 2002
LSi9
LSi7
®
ARC PORT
A loudspeaker’s internal standing wave resonance can impart a “thick” or “chesty” character
to the sound of voices. Polk Audio’s patented Acoustic Resonance Control Port System is tuned
to cancel this resonance for utterly clear, accurate and natural midrange. See more about
polk
technology
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LSi SERIES LOUDSPEAKERS
PSW1000
The PSW1000 creates superb detail and musicality for truly
big, tight, emotionally satisfying bass you can really feel.
High roll surrounds allow longer cone excursion for louder,
gut-kicking bass. Both drivers feature vented, four-layer,
long-winding-height voice coils, vented pole pieces, and
Aluminum Formers, ensuring better heat dissipation and less
heat build-up for a long life of big bass. Both of the PSW1000’s
10" Dynamic Balance drivers are magnetically shielded, so you
can located PSW1000 near video equipment with no risk of
video picture distortion.
BASH Amplifier combines the fidelity of conventional Class
A/B amplifiers with the efficiency of Class D amplifiers. You
get high power, cool, reliable operation with precise definition
and low distortion.
Multiple connection options, including filtered line ins &
outs, speaker level ins & outs, adjustable-filtered Line In
and unfiltered LFE give you unprecedented hookup flexibility
and more control.
Heavy duty MDF cabinet with 1 3/4" (4.5cm) side panels
and rigid internal bracing control vibration for near-zero
cabinet resonance.
Dual 10" (25cm) Dynamic Balance drivers have nearly 40% more
surface area than a single 12"driver and a much greater force
to mass ratio.
OVERALL DIMENSIONS:
16 3/4" H X 16 7/8" W X 19 3/8" D
(42.55CM H X 42.86CM W X 49.21CM D )
Two Bass Venting Technologies—Slot Load Vent and
PowerPort® combine to virtually eliminate port turbulence
and noise.
SEE SPECIFICATIONS FOR MORE DETAILED PRODUCT INFORMATION.
CHERRY
EBONY
PSW1000
®
POWERPORT
polk
Polk Audio loudspeakers shatter the boundaries of bass response with patented PowerPort bass venting
technology. Conventional ports have limitations: air turbulence at the mouth of the port can cause “port noise”
and bass output losses of up to 3dB. (A loss of 3dB means that half of your amplifier power is being wasted
on turbulence instead of bass!) The distinctive design of the Polk Audio PowerPort gradually slows air exiting
the port, vastly reducing turbulence, port noise and energy loss. The result is bass that you will feel as well as
hear; bass that reaches out, grabs you by the lapels and shakes you up—for a completely visceral and emotional
technology
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LSiF/X®
LSi C
This state-of-the-art bi-directional surround speaker delivers
effects so real they will astonish you. Engineered to match the
ultra-high performance of an LSi Series multi-channel system,
the LSiF/X uses the identical 5 1/4” drivers and Ring Radiator
tweeters as the rest of the LSi Series, for seamless integration
into your high-end surround system.
Specially engineered to match the premium components
used in the ultra-high performance LSi Series Loudspeakers,
the LSiC ensures absolutely seamless, lifelike imaging across
the front stage of your LSi Series multi-channel system.
Superior Cascade Tapered Array Technology, featuring
the awesome Ring Radiator tweeter, puts everyone in
the front row, no matter where they’re sitting.
Designed for high definition multi-channel formats
like DVD, SACD, DVD-Audio, Dolby Digital and DTS.
Triangular cabinets produce a more realistically diffuse
wavefront and lifelike image of surround sound F/X.
Switchable Bipole/Dipole for placement flexibility.
Rear-firing PowerPorts double as wall mounting
brackets; extend bass response for optimum
Superior accuracy and theatrical impact for the most
sophisticated multi-channel systems.
(2) 5 1/4" drivers with Aerated Polypropylene Cones
for wide response and low distortion.
Timbre-matched with the LSi Series, for a seamless
realistic surround sound experience.
performance in discrete channel systems.
Dual rear-firing PowerPorts for surprising center
channel bass response.
Patented Acoustic Resonance Control ARC® Port System
cancels standing wave resonance for clear, accurate midrange.
OVERALL DIMENSIONS:
15" H X 13 1/4" W X 10" D (38.10CM H X 33.66CM W X 25.40CM D)
OVERALL FREQUENCY RESPONSE 40HZ - 27kHZ.
SEE SPECIFICATIONS FOR MORE DETAILED PRODUCT INFORMATION.
OVERALL DIMENSIONS:
7" H X 21 3/4" W X 9" D (17.78CM H X 55.24CM W X 22.86CM D)
OVERALL FREQUENCY RESPONSE 40HZ - 27kHZ.
BLACK
SEE SPECIFICATIONS FOR MORE DETAILED PRODUCT INFORMATION.
BLACK
LSiF/X
LSiC
BIPOLE/DIPOLE SWITCH
Use the Bipole/Dipole Sound Customization Technology of Polk Audio Bi-Directional Surround
Speakers to optimize your surround soundstage according to your theater setup and seating
layout. Use the Dipole setting for a more diffuse, enveloping rear effects soundstage. Use the
Bipole setting to provide a more localized soundfield in discrete channel systems. Polk Audio
Bi-Directional Surround Speakers give you the choice of either polar pattern so you can choose
the one that sounds best to you in your set-up. Simply flip the convenient switch! See more about
polk
technology
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LSi SERIES LOUDSPEAKERS
LSi15 SYSTEM
MULTI-CHANNEL AUDIO SYSTEMS
Here, the LSi15 floorstanding loudspeakers are perfectly
matched to the LSic center channel speaker, LSiF/X
Bi-directional surround speakers and the Polk Audio PSW1000
Powered Subwoofer. This is a multi-channel music and home
theater system of unusual power and precision for audiophile
systems in mid- to large-sized rooms.
Front Speaker Center
Surround
Subwoofer
PSW1000*
PSW1000
PSW1000
PSW1000
LSi25
LSi15
LSi9
LSic
LSic
LSic
LSic
LSiF/X or LSi9
LSiF/X or LSi9
LSiF/X or LSi7
LSi7
LSi7
* THE LSi25 FEATURES BUILT-IN POWERED SUBWOOFERS; AN ADDITIONAL SUBWOOFER
IS OPTIONAL BUT RECOMMENDED FOR LARGER ROOMS
LSi15 SHOWN WITH CHERRY VENEER SIDE PANELS.
EBONY VENEER SIDE PANELS ALSO AVAILABLE.
SEE SPECIFICATIONS FOR MORE DETAILED PRODUCT INFORMATION.
LSi15 SYSTEM
CASCADE TAPERED ARRAY
polk
Place two drivers near each other and interference between the two drivers creates frequency response errors
(called “comb filtering”) for off-axis listeners; people sitting or standing off to the side of the room won’t hear
the same tonal balance as listeners who are “on-axis” right in the center of the listening area. Polk Audio
multi-driver speakers combat this with “Cascade Tapered Array” crossovers. One driver is “crossed over”
at a lower frequency than the other driver, filtering out the frequencies where the interference will occur (thereby
eliminating interference effects). The Cascade Tapered Driver Arrays in Polk LSiC, LSi9, LSi15 and LSi25 speakers
results in clearer, more detailed sound and uniform tonal balance throughout the room. The sound is consistently
accurate whether the listener is standing or sitting, in-line or off-axis. See more about Cascade Tapered Driver
technology
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LSi7 SYSTEM
If sound quality in a smaller system is important to you,
this LSi7 multi-channel system matches the LSi7 bookshelf
loudspeakers (used as main and surround speakers in this
setup) with the LSic center channel speaker and the PSW1000
Powered Subwoofer. This system will deliver true audiophile
performance and multi-channel excitement in small to
mid-sized rooms.
“A real breakthrough in affordable
high-end products.”
The Absolute Sound,
April/May 2002
LSI7 SHOWN WITH CHERRY VENEER SIDE PANELS. EBONY VENEER SIDE PANELS
ALSO AVAILABLE. SEE SPECIFICATIONS FOR MORE DETAILED PRODUCT INFORMATION.
STANDS COURTESY OF SANUS SYSTEMS® (NOT INCLUDED WITH SPEAKER PURCHASE).
AVAILABLE FOR SALE AT SHOP.POLKAUDIO.COM.
LSi7 SYSTEM
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LSi SERIES LOUDSPEAKERS PRODUCT SPECIFICATIONS
FLOORSTANDING LOUDSPEAKERS
LSi 25*
LSi 15*
Driver Complement
1 - 10" (25.4cm) Dynamic Balance bass driver
2 - 5 1/4" (13.3cm) Dynamic Balance mid/bass drivers
1 - 1" (2.5cm) Dynamic Balance Ring Radiator tweeter
20Hz - 27kHz / 30Hz - 26kHz
1 - 8" (20.3cm) Dynamic Balance bass driver
2 - 5 1/4" (13.3cm) Dynamic Balance mid/bass drivers
1 - 1" (2.5cm) Dynamic Balance Ring Radiator tweeter
22Hz - 27kHz / 30Hz - 26kHz
compatible with 4 Ohms outputs
20 - 250 Watts / channel
Frequency Response: Overall / -3dB Limits
Impedance
compatible with 4 Ohms outputs
20 - 300 Watts / channel
Recommended Amplification
Efficiency
88dB
88dB
Amplifier
150 Watts into 8 Ohms
<1% THD, 30 - 200 Hz (per enclosure)
300 Watts (per enclosure)
n/a
Continuous Average Power**
Subwoofer Amp Dynamic Power
Available Finish
n/a
high gloss black, ebony or cherry veneer side panels
105 lbs/each (47.6 kg)
high gloss black, ebony or cherry veneer side panels
75 lbs/each (34 kg)
Shipping Weight (+/- 3 lbs/kgs)
Cabinet Dimensions
49 3/4" H x 8 5/8" W x 17" D
45 1/2" H x 8 5/8" W x 13" D
(Including Grille & Binding Posts)
Base Dimensions
126.36cm H x 21.91cm W x 43.18cm D
9 5/8" W x 16 3/8" D
115.6cm H x 21.9cm W x 33.0cm D
9 11/16" W x 13 3/8" D
24.6cm W x 41.6cm D
24.6cm W x 34cm D
Features
PowerPort, dual gold-plated 5-way binding posts
ARC Port, magnetic shielding*
PowerPort, dual gold-plated 5-Way binding posts
ARC Port, bi-amp/bi-wire terminals, magnetic shielding*
BOOKSHELF LOUDSPEAKERS
LSi 9*
LSi 7*
Driver Complement
2 - 5 1/4" (13.3cm) Dynamic Balance mid/bass driver
1 - 1" (2.5cm) Dynamic Balance Ring Radiator tweeter
38Hz - 27kHz / 50Hz - 26kHz
1 - 5 1/4" (13.3cm) Dynamic Balance mid/bass drivers
1 - 1" (2.5cm) Dynamic Balance Ring Radiator tweeter
45Hz - 27kHz / 53Hz - 26kHz
Frequency Response: Overall / -3dB Limits
Impedance
compatible with 4 Ohm outputs
20 - 200 Watts / channel
compatible with 4 Ohm outputs
Recommended Amplification
Efficiency
20 - 150 Watts / channel
88dB
88dB
Available Finish
high gloss black, ebony or cherry veneer side panels
75 lbs/pair (34.0 kg)
high gloss black, ebony or cherry veneer side panels
50 lbs/pair (22.7 kg)
Shipping Weight (+/- 3 lbs/kgs)
Dimensions
14 7/8" H x 8 5/8" W x 15 1/4" D
37.8cm H x 21.9cm W x 38.7cm D
PowerPort, dual gold-plated 5-way binding posts,
magnetic shielding*, ARC Port, bi-amp/bi-wire terminals
13 5/8" H x 8 5/8" W x 10 1/4" D
34.61cm H x 21.91cm W x 26.04cm
PowerPort, dual gold-plated 5-way binding posts,
magnetic shielding*, ARC Port, bi-amp/bi-wire terminals
Features
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SURROUND AND CENTER LOUDSPEAKERS
LSi F/X*
LSi C*
Driver Complement
2 - 5 1/4" (13.3cm) Dynamic Balance mid/bass drivers
2 - 1" (2.5cm) Dynamic Balance Ring Radiator tweeters
40Hz - 27kHz / 52Hz - 26kHz
compatible with 4 Ohms outputs
20 - 200 Watts / channel
2 - 5 1/4" (13.3cm) Dynamic Balance mid/bass drivers
1 - 1" (2.5cm) Dynamic Balance Ring Radiator tweeter
40Hz - 27kHz / 52Hz - 26kHz
compatible with 4 Ohms outputs
20 - 200 Watts / channel
Frequency Response: Overall / -3dB Limits
Impedance
Recommended Amplification
Efficiency
88dB
88dB
Available Finish
high gloss black
high gloss black
Shipping Weight (+/- 3 lbs/kgs)
Dimensions
55 lbs/pair (24.9 kg)
25 lbs/each (11.3 kg)
15"H x 13 1/4"W x 10"D
7"H x 21 3/4"W x 9"D
38.1cm H x 33.6cm W x 25.4cm D
switchable bipole/dipole, PowerPort, dual gold-plated
5-way binding posts, bi-amp/bi-wire terminals
17.8cm H x 55.2cm W x 22.8cm D
PowerPort, ARC Port, magnetic shielding*, dual gold-plated
5-way binding posts, bi-amp/bi-wire terminals
Features
POWERED SUBWOOFERS
Driver Complement
PSW1000*
2 - 10" (25cm) woofers
Amplifier
400 watts into 2 Ohms
Continuous Average Power**
Subwoofer Amp Dynamic Power
Port Type
with <1% THD, 20 - 145Hz
825 Watts
slot loaded PowerPort
Frequency Response: Overall / -3dB Limits
Crossover Frequency
20Hz - 160Hz / 30Hz - 125Hz
adjustable 50Hz - 140Hz
Inputs
speaker, line level & LFE
Outputs
speaker level, pass through or 80Hz high pass filter (switchable).
Line level, high pass filter fixed at 80Hz.
high gloss black, ebony or cherry side panels
81 lbs/ea (36.7 kg)
Available Finish
Shipping Weight (+/- 3 lbs/kgs)
Dimensions
16 3/4" H x 16 7/8"W x 19 3/8"D
(Including Grille, Heat Sink, Binding Posts)
Features
42.5cm H x 42.8cm W x 49.2cm D
Auto on/off, unfiltered LFE input, PowerPort, magnetic shielding*, speaker
& low level inputs, front panel volume & crossover controls, dual gold-plated
5-way binding posts, +3 db bass boost, 1 1/2" cabinet baffles.
* Magnetically shielded components for safe placement near TVs or video monitors.
** About Power Ratings:
The Federal Trade Commission has issued new regulations regarding the power ratings of all amplifiers, including self-powered speakers. Polk Audio supports this effort to standardize
power testing methods in order to provide consumers with a “level playing field” basis for comparison. Note, however, that the FTC rating is based on the “Continuous Power” output
of the amplifier. Music and movies are rarely “continuous” but are mainly composed of short bursts of sound. For this reason we also supply a “Dynamic Power” rating that measures
the ability of the amplifier to produce power in short bursts similar to those found in music and movies. In our experience, an amplifier with higher Dynamic Power output will play louder
under most conditions regardless of the continuous power rating.
We’re fanatics when it comes to providing you useful, accurate information that can help you evaluate our products. But as we all know, we live in an imperfect world. At least some of us do.
Polk Audio, Polk, PowerPort, Dynamic Balance, F/X, Atrium, Big Speaker Sound Without The Big Speaker, High Velocity Compression Drive, Acoustic Resonance Control, ARC Port, Casket Basket,
I-Sonic, SurroundBar & SDA are registered trademarks of Britannia Investment Corporation used under license by Polk Audio, Incorporated. Polk Audio Designs & miDock are trademarks of Britannia
Investment Corporation used under license by Polk Audio, Incorporated.
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LSi SERIES LOUDSPEAKERS LOUDSPEAKERS FOR SERIOUS LISTENERS
Polk Audio is an award-winning designer and manufacturer of high performance audio products
and the largest audio brand of Directed Electronics, Inc. (NASDAQ, DEIX). Founded in 1972 by three
Johns Hopkins University graduates, Polk Audio holds over 50 patents for advances in audio
design and technology. Polk’s products include loudspeakers and electronic components for
home, auto and marine applications, the first satellite radio home component tuner, the world’s
first audiophile-grade active IP-addressable loudspeaker, the first THX® Ultra2 Certified in-ceiling
TM
loudspeaker and I-Sonic®—the first Entertainment System to include HD Radio, XM® Connect
& Play capability and a DVD player. Polk products are available through authorized specialist
consumer electronics retailers worldwide. For more information and the location of a Polk
and Canada). Outside of North America call +1 (410) 358-3600.
POLK AUDIO
5601 METRO DRIVE
BALTIMORE, MD 21215
WWW.POLKAUDIO.COM
CUSTOMER SERVICE:
800-377-7655 (USA & CANADA)
410-358-3600 (WORLDWIDE)
COPYRIGHT© APRIL 2008
ALL RIGHTS RESERVED.
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