User manual ATLANTIC TECHNOLOGY SYSTEM 350 INSTRUCTION MANUAL

[. . . ] 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. [. . . ] It is important to observe polarity while making 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 3 Models 351 LR, 353 C, and 354 SR tlantic ATECHNOLOGY and note that one of the wires in each pair is marked by either a different color, printing, ridges, or a thread intertwined with the wire strands. By convention, the marked wire is connected to the red (+) terminal. Whether your are connecting a complete System 350 THX, or adding one speaker component to your present system, the wiring should look like the diagram in Figure 2. Before turning on the amplifier, be certain that no stray wire strands are touching across the two terminals as this might damage your amplifier. Figure 2: Typical wiring diagram for speakers in a home theater. Note that two 352 PBM Subwoofers are shown in this diagram in order to conform with THX specifications. Please consult the 352 PBM Owner's Manual for more detailed information. Finally, check the polarity of your front speakers by listening to some music. If the sound seems hollow, spread out and has weak bass, recheck your connections for proper polarity and reverse the connections if necessary. Placement The design of the System 350 THX provides a large, seamless, acoustically accurate soundfield when combined with quality THX components to make a complete audio/ video system. However, certain guidelines must be followed to obtain optimum performance. Use the following placement guidelines and Figure 3 as a starting point. 4 Models 351 LR, 353 C, and 354 SR tlantic ATECHNOLOGY THX Home Theater Position the Model 351 LR Front Speakers vertically to the left and right of the screen. For optimum performance, the height of the speakers should place the tweeters at ear level when you are in a seated position. All of the System 350 THX 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 so far apart that the sound seems distant and distracting. Avoid placing the speakers too close to a corner and try to maintain an equal distance from the screen. The Model 353 C Center Channel Speaker should be placed horizontally on its base between the left and right front speakers and above or below the screen. Tilt the speaker on its adjustable base to direct the sound toward the listening position. Ideally, the center channel speaker should be placed within two feet of the axis of the front channel tweeters. This placement is less important because of the directability of the 353 C on its tiltable base. The Model 354 SR Surround Speakers should be placed at the sides of the room with the null (the point between the two sets of drivers) of the speakers pointed at the listening position. Height of the surrounds should be between ear level and two feet above ear level, or on the optional pedestal stands. [. . . ] The harsh amplifier clipping that occurs in this situation will cause damage to the speaker system that is not covered by the warranty. The System 350 THX will play very loudly when provided with enough power to do so. Again, consult your dealer or Atlantic Technology for additional information. Care of your Speakers Clean your speaker cabinets using a soft cloth moistened with a mild, non-abrasive glass cleaner being careful not to wet the individual drivers or the edges of the cabinet. After carefully removing the grilles from the speakers, clean them with a quick pass from a vacuum cleaner with a brush attachment. [. . . ]