Atlantic Technology System 350-THX Owners manual
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Instruction
Manual
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TECHNOLOGY
Models
351 LR
353 C
354 SR
System 350
Home Theater Loudspeaker System
THX®
High Performance
Models 351 LR, 353 C, and 354 SR
System 350 THX
High Performance Home Theater
Loudspeaker System
Congratulations on choosing Atlantic Technology Home Theater Components. The
System 350 THX is engineered to bring you as close as possible to the acoustic
environment of the finest THX theaters. When properly set up and balanced, the
Atlantic Technology THX speaker system, coupled with THX ancillary components,
allows you to fully experience movies at home the way filmmakers intended.
Conventional high fidelity loudspeaker systems, even very expensive ones, are not
ideally suited to the demands of multichannel movie soundtracks. In order for the
speakers to accurately reproduce what the film director created on the dubbing stage,
soundtracks, unintelligible dialog, and poor localization of sounds. With Atlantic
Technology’s System 350 High Performance THX Home Theater Loudspeakers you will
experience all the impact, full frequency response, and enveloping soundfield of your
favorite films for the first time.
they must meet specific design parameters developed by
the motion picture industry. To achieve this, George
Lucas and Lucasfilm originated and perfected Home
THX, a strict set of standards and guidelines for home
theaters, so that they may emulate the original dubbing
stage. When properly followed, these guidelines address
and correct the problems of overly bright or harsh
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TECHNOLOGY
The Model 351 LR Front Channel Speakers incorporate two 5-3/4" polypropylene
woofers in a D’Appolito configuration with two 3" midrange drivers and a 1" ferrofluidcooled fabric dome neodymium tweeter in a separate sub-enclosure. The crossover is a
premium fourth-order design with a conjugate network. Gold 5-way binding posts are
provided to ensure easy connection with a wide variety of speaker cables. The tall,
narrow dimensions of the cabinet, together with the driver configuration, optimizes
horizontal dispersion and vertical directivity so important to the proper reproduction
of the soundstage.
The Model 353 C Center Channel Speaker features the same driver complement,
crossover, and cabinet volume as the 351 LR making left to center to right pans virtually
seamless. The horizontal dispersion and vertical directivity characteristics of the speaker
are maintained by using a D’Appolito configuration of two 3" midranges and 1" tweeter
identical to the 351 LR. A tiltable base was developed to provide a variety of placement
options either above or below the picture source without compromising performance.
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Models 351 LR, 353 C, and 354 SR
The Model 354 SR Surround Speakers feature a triangular cabinet design providing
a superior surround field compared to standard dipole or bipole surround speaker
configurations. Our proprietary TwinPolar™ driver array provides exceedingly wide
dispersion without the dipole “dead spots” so common with other designs. The 354 SR
features two 4" polypropylene woofers and two 3/4" mylar dome tweeters to handle the
full dynamic range and bandwidth of any existing or newly emerging surround sound
technology. A second-order premium crossover and gold 5-way binding posts insure
signal integrity.
The Model 352 PBM Powered Subwoofer utilizes a new generation of subwoofer
amplifier specifically designed to deliver very high output on a continuous basis, with
no danger of overload or distortion. The high excursion 12" woofer and sealed acoustic
suspension cabinet configuration allow for extended, deep bass in a relatively compact,
room-friendly design. The prodigious amounts of low frequency energy required for
proper THX operation and the demands of high performance home theater applications
in general are easily met with the 352 PBM. (Operation and placement of the Model
352 PBM is covered in a separate manual.)
Important: Two 352 PBM Subwoofers are required for proper THX performance. The use of
two subwoofers provides the most installation flexibility, tends to smooth bass response, and
supplies higher sound pressure levels with ease.
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TECHNOLOGY
Connection
We recommend that you connect your new System 350 THX speaker components using
high quality wire of 16 gauge or larger for lengths up to 25 feet. There are many
manufacturers who specialize in speaker wire and interconnects suitable for your new
system. We recommend that you consult your local audio/video specialist for more
specific information.
Warning: To prevent risk of electrical shock or damage to your equipment, always unplug all
component AC cords before proceeding with speaker and component connections.
Figure 1:
Speaker Wiring
Terminals
speaker connections: red (+) terminals on the amplifier to red (+) on the speaker, black
(-) on the amplifier to black (-) on the speaker. Look carefully at the wires you are using
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You can connect your System 350 THX speakers by
using spade lugs or “banana” connectors, or by
removing 1/2" of insulation from each wire end,
twisting the strands of wire together, placing the wire
through one of the post holes and screwing down the
nut tightly.
It is important to observe polarity while making
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