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Instruction Manual

What is Dolby Atmos?

Dolby Atmos® adds the essential characteristic that's been missing from

the home theater experience: the sense of true audible three-dimension-

ality. Dolby Atmos-encoded movies deliver this experience, like no other

movie format can.

You'll get a great immersive experience, no matter what kind of Dolby

Atmos home theater setup you have. Dolby Atmos content is mixed as audio

objects instead of traditional channels. This means the content is not tied to

any specific playback configuration. Further, the technology automatically

adapts the object audio to take full advantage of the number and place-

ment of your speakers, from systems with five speakers on the floor and

two speakers producing overhead sound to a system with as many as 24

speakers on the floor and 10 speakers producing overhead sound.

Additionally, the new Dolby surround upmixer used in today' s A/V receivers

and Processors allows for legacy channel-based content that has not been

mixed for Dolby Atmos to be expanded to fill the flexible speaker layouts

of a Dolby Atmos system providing a new dimension to your old movies.

Description

The Atlantic Technology 44-DA speaker was specifically designed to be used

as the "elevation" component in a Dolby Atmos surround system.

Working closely with Dolby Laboratories, Atlantic Technology's research

and engineering team developed the 44-DA with its unique vertically-firing

Concentric Driver Array (CDA™) to deliver the excitement and realism of

Dolby Atmos-encoded soundtracks with startling impact and holographic,

three-dimensional realism. The 44-DA's frequency response and radiation

pattern have been specifically engineered to meet these requirements.

The 44-DA speaker itself embodies the same high quality compo-

nents—such as its long-excursion damped polypropylene 5 ¼" woofer, 1"

silk-damped dome tweeter and optimized 1st-order Butterworth cross-

over—and meticulous attention to detail that are the hallmarks of all

Atlantic Technology products.

The speaker module is designed to fit perfectly on top of Atlantic Technology' s

THX- certified 4400 LR speakers, creating an integrated, "one-piece" look.

Additionally, because of their compact design and neutral appearance, the

44-DAs are well suited to being used on top of other speakers or, equally

important, as "stand-alone" Dolby Atmos enabled speakers as part of a

complete Dolby Atmos system.

44-DA

Placement in a Dolby Atmos-enabled

System

The 44-DA delivers the "overhead" dimension in a Dolby Atmos-enabled

home theater system. The Dolby Atmos-enabled speakers are used in addi-

tion to the usual speakers in a 5.1 or larger home theater system.

The 44-DA speakers allow you to experience overhead sounds when the

speaker is placed at the same level as a traditional speaker. These Dolby

Atmos-enabled speakers direct sound upward to reflect off the ceiling,

as Figure 3 shows, to create a faithful reproduction of audio coming from

above.

Figure 3

VERY IMPORTANT: The 44-DA speaker projects its sound from the

top of the cabinet, not from the front like a conventional speaker.

Do not place anything on the cloth grille on the top of the speaker,

place the speaker in a cabinet or below a shelf. These situations will

obstruct the sound path, impairing the performance, and possibly

damaging the speaker elements beneath the cloth.

What is Dolby Atmos

Figure 2