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Models 371 LR, 373 C, and 374 SR

Atlantic Technology

®

Figure 2:

Typical wiring
diagram for
speakers in a
home THX theater.

Finally, check the polarity of your front speakers by listening to some music. If the sound seems
hollow, indistinct, and has weak bass, one of your speakers is out of phase. Recheck your connections
for proper polarity and reverse the connections if necessary.

Important:

 The Atlantic Technology 370 THX loudspeaker system will attain its peak performance after a

break-in period of approximately 50 hours at moderate volume levels. Higher volume levels will not hasten
this break-in period.

Speaker Placement

Atlantic Technology speakers will provide excellent, satisfying sound when properly placed in your
room. However, with the many variables in room layout and dimensions, there is no magical formula
for determining the best speaker placement in every room. The following section contains general
guidelines for speaker placement. Experiment to find where the speakers sound best in your particular
room. Use the following placement guidelines and Figure 3 as a starting point. Remember that small
changes in speaker positioning can make a big difference in the sound.

To optional

second

subwoofer

Summary of Contents for System 370

Page 1: ...ance THXHomeTheaterLoudspeakerSystem Instruction Manual AtlanticTechnology I N N O V A T I V E H O M E T H E A T E R C o v e r s M o d e l s 3 7 1 L R 3 7 3 C a n d 3 7 4 S R 343 Vanderbilt Avenue Norwood MA 02062 781 762 6300 ...

Page 2: ...onment conventional audio components could not accurately reproduce soundtracks as they were originally intended Two basic requirements were identified 1 A need to correct the audible tonal and spatial errors caused by the reproduction of movie soundtracks designed for playback in large theaters in the smaller environment of the home 2 A need to more accurately reproduce the complex and competing ...

Page 3: ... 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 The last step in wiring your system is plugging in the AC cords You can connect your System 370 THX speakers by using a variety of connectors or by removing 1 2 of insulation from each w...

Page 4: ...imately 50 hours at moderate volume levels Higher volume levels will not hasten this break in period Speaker Placement Atlantic Technology speakers will provide excellent satisfying sound when properly placed in your room However with the many variables in room layout and dimensions there is no magical formula for determining the best speaker placement in every room The following section contains ...

Page 5: ...ched to the speaker for optimum performance Positioning the Speakers Place the Model 371 LR Front Speakers to the left and right of the TV screen All of the System 370 THX speakers except for the 374 SR surround speakers are magnetically shielded and will not interfere with the video image The left front and right front speakers should be far enough apart that you get a good stereo image but not s...

Page 6: ...tive surface In many situations the unfortunate audible result of placing a speaker on top of a TV is a boost in the midrange response from the sound reflecting off of the TV screen This can often result in harsh midrange and treble response and a blurring of the sound when you are sitting off to the side Once you have the speaker in position put on some music or a movie with good center channel i...

Page 7: ...moothest bass response Remember the most common error is to play the subwoofer too loudly Listening Levels and Power Handling The power recommendation for these speaker components assumes that you will not operate your amplifier receiver in a way that produces distortion Even rugged speakers like System 370 THX can be damaged by a moderately powered system driven beyond its capabilities The harsh ...

Page 8: ...cooled 1 1 silk dome tweeter 1 1 silk dome tweeter neodymium magnet ferrofluid cooled neodymium magnet ferrofluid cooled Frequency 80Hz 20kHz 80Hz 20kHz 80Hz 20kHz Response 3dB Nominal 8Ω 8Ω 8Ω Impedance Crossover 350Hz 4 5kHz 350Hz 4 5kHz 3 5kHz Frequency Sensitivity 91dB 91dB 87dB Recommended 100 200WRMS 100 200WRMS 100 200WRMS Amplifier Power Magnetic Shielding Yes Yes No Size W x H x D 7 5 x 2...

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