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DYNAMIC BALANCE
®
Advanced laserimaging technology allowed PolkAudio engineers tosee the entirevibrating surface ofa driver
and tweeter;they could actually seethe resonance developon the speakercones—resonance that isthe root
cause ofloudspeaker distortion (A).Being able to seethe resonance develop,they determined the“Dynamic
Balance” ofhigh-tech materials, geometry andconstruction that effectivelytune out theoffending resonance
(B). ExclusiveDynamic Balance Composite MaterialTechnology delivers soundthat’s effortlessly cleanand
clear, even atlifelike volume. Seemore about DynamicBalance at www.polkaudio.com/catalog/technology/.
B
A
polk
technology
4 ATRIUM SERIES LOUDSPEAKERS
ATRIUM55
The Atrium55 Indoor/Outdoor Loudspeaker is the ultimate in
flexibility, reliability and high fidelity sound quality for the great
outdoors. The Atrium55 gives you the freedom to put speakers
anywhere you want high performance sound. The kitchen, the
den, the guestroom, the patio or pool, even the backyard BBQ
pit. The rugged Atrium55 meets or exceeds stringent industry
and military specifications for full exposure to the elements
for years of reliable high performance sound anywhere in
and around your home.
Atrium
®
loudspeakers meet or exceed Military Waterproofing
Specs: ASTM D5894-UV Salt Fog, Mil 810 Immersion
and Mil 883 for salt and corrosion.
Rustproof aluminum brackets allow multiple
mounting options and full 90°rotation.
Stainless Steel and Brass hardware for years
of rustproof reliability.
ALLWEATHERLOUDSPEAKER
OVERALLDIMENSIONS:
103/4"HX71/2"WX93/8"D(27.30CMHX19.05CMWX23.81CMD)
OVERALLFREQUENCYRESPONSE:60Hz-20kHz
SEESPECIFICATIONSFORMOREDETAILEDPRODUCTINFORMATION.
MATTEBLACK MATTEWHITE
(PAINTABLE) (PAINTABLE)
ATRIUM50
The Atrium50 Multi-Application Loudspeaker produces high
fidelity sound quality anywhere you want great sound, whether
it’s entertaining outdoors by a pool, helping around the kitchen,
relaxing in the family den or just hanging out in the backyard.
This is one rugged speaker, built to deliver years of great
performance over years of exposure to the elements.
All stainless steel and brass hardware for years
of rustproof reliability.
Meets or exceeds ASTM D5894-UV Salt Fog, Mil
standard 810 Immersion and Mil Standard 883
Method 1009 8 for salt and corrosion tests.
Rustproof aluminum bracket allows multiple mounting
options and full 90° rotation: aim them to deliver.
The best possible sound in a variety of locations.
Gold plated 5-way binding post inputs.
Sculpted front baffle and rounded enclosure minimize
diffraction (sound reflecting off of hard edges) for
more open and lifelike imaging.
ALLWEATHERLOUDSPEAKER
OVERALLDIMENSIONS:
91/2"HX61/4"WX73/4"D(24.13CMHX15.88CMWX19.7CMD)
OVERALLFREQUENCYRESPONSE:75Hz-20kHz
SEESPECIFICATIONSFORMOREDETAILEDPRODUCTINFORMATION.
MATTEBLACK MATTEWHITE
(PAINTABLE) (PAINTABLE)
ATRIUM55ATRIUM55
ATRIUM50