Atlantic Technology System 920 Instruction Manual - Page 3

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Instruction Manual

Individual Component Descriptions

Model 920,1200 and 2200 LR

Front Channel Speakers

The Model 2200 LR Front Channel Speakers (Figure 1) are high-perfor-

mance 2-way systems intended for use with a quality subwoofer,such as the

Atlantic Technology Model 920 SB, 212 SB or 422 SB box-type subwoofer.

Each speaker contains two GLH (Graphite Loaded Homopolymer) 4 ½"

(115mm) woofers and an advanced 1"(25mm) ferroﬂuid-cooled,damped

soft dome tweeter with a powerful neodymium magnet structure. The

drivers are conﬁgured in an M-T-M array (midrange-tweeter-midrange

alignment) This vertical arrangement of drivers provides wide left to right

coverage of sound while limiting the ﬂoor and ceiling reﬂections that may

color the sound. These components are mounted in an acoustically inert

MDF enclosure.The LR speakers are magnetically shielded so they may be

placed close to a TV set without concern.

Model 1200 LR speakers are very similar to the 2200 LR speakers, except

they employ one 4 ½" GLH woofer instead of two.

The Model 920 LR speakers are a scaled down verion of the 1200 LR speak-

ers and employ a single 4" driver but the same tweeter as both the 1200

and 2200 LR's.

Model 1200 C and 2200 C Center Channel Speaker

For accurate reproduction of a multi-channel soundtrack, the three front-

channel speakers must have the same sonic signature.Therefore,the 1200 C

and 2200 C Center Channel speaker utilize the same driver elements as

the respective matching LR speakers (see Figure 2). These speakers are

designed to be placed horizontally.They are also magnetically shielded and

can be placed directly adjacent to your TV set with no adverse effects on

the television's picture.Both can be tilted on their dedicated base to provide

optimum sonic coverage of the listening area.

Acoustic Controls

System 1200 C and 2200 C includes unique acoustic controls to help maxi-

mize its performance in your room.These controls are explained in greater

detail on page 8.

Model 2200 SR Surround Speakers

The Model 2200 SR Dipole/Bipole Surround Speakers (Figure 3) are

intended for use in multi-channel audio/video sound systems as dedicated

side or back surround channel speakers. The 2200 SR enclosure has two

4 ½" (115mm) GLH woofers and two of the same high performance soft

dome tweeters found in the 2200 front speakers. The surround speakers

can be switched between Dipole and Bipole operation. These settings are

explained on page 8,"Dipole/Bipole Operation of the SR Speakers. "

Because of their small size, both the model 920 LR and 1200 LR make an

excellent surround speaker. When using either LR as a surround speaker,

the best results will be obtained if the speakers do not aim directly at the

listening area. Mount the LR's on the side walls, above and slightly behind

the listening position (See page 5).

Individual Component Descriptions

2200 LR

1200 LR

2200 C

1200 C

2200 SR

NOTE: Although the speakers in the Atlantic Technology Systems 920,

1200 and 2200 are acoustically and cosmetically matched to each

other for ideal results, they may also be used with other Atlantic Tech-

nology components and a wide variety of speakers from other manu-

facturers with excellent results.

Figure 1

920 LR

Figure 2

Figure 3