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manual abstract
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, 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 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. 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. aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa2 Models 351 LR, 353 C, and 354 SR tlantic ATECHNOLOGY 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. 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: You can connect your System 350 THX speakers by Speaker Wiring using spade lugs or “banana” connectors, or by Terminals 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 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 aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa0 3 Models 351 LR, 353 C, and 354 SR tlantic ATECHNOLOGY and note that one of the wires in each pair...