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Your new speaker system is precision crafted to give you years of enjoyable, trouble free service. This manual covers the Atlantic Technology System 170 series of speakers for home theater. It will show you how to incorporate System 170 components into your present setup, as well as how to assemble a complete system. The Model 172 PBM Subwoofer is covered in detail in a separate manual. System 170 has been optimized for use with any surround sound format including Dolby Surround®, Dolby Pro-Logic®, Dolby Digital 5.1® and DTS® digital surround formats. Model 171 LR Front Channel Speaker The Model 171 LR Front Channel Speakers are two-way systems intended for use only with a quality subwoofer, such as the Atlantic Technology Model 172 PBM. Each speaker contains two 4" CCMG (coated composite molded graphite) woofers, and a 1" Ferrofluid® cooled silk dome tweeter using a powerful neodymium magnet, in an acoustically inert MDF cabinet. The 171 LR speakers are magnetically shielded so they may be placed right next to a TV set without concern. Model 173 C Center Channel Speaker It is vital to the accurate reproduction of a multi-channel soundtrack that the three front speakers have the same sonic signature. Therefore, the Model 173 C Center Channel Speaker contains the same two 4" CCMG woofers and 1" Ferrofluid® cooled silk dome tweeter as the 171 LR speakers. The 173 C is designed for use in multi-channel home theater systems only as a dedicated center channel speaker. It includes a high frequency level control that allows it to be placed directly above or below the TV screen (which changes the sound) and still provide accurate reproduction. Since up to 85% of dialogue and 65% of special effects are reproduced through the center channel speaker, it’s important that its sound be accurate and timbre-matched to the other speakers in the system. The rear-mounted High Freq control incorporated into the 173 C allows for this matching. The 173 C center speaker is intended to be placed in a horizontal position, as opposed to the vertical positioning intended for the 171 LR. It too is magnetically shielded so it may be placed directly adjacent to your TV set with no adverse effects. Model 174 SR Surround Speaker The Model 174 SR Dipole Surround Speaker is intended for use in multi-channel audio/video sound systems only as a dedicated surround channel speaker. Each speaker has two of the same 4" CCMG woofers as the front speakers and two broad dispersion 3/4" Modified Dome tweeters. The drivers are angled and electronically phased to produce ambience without localization. The 174 SR’s wide bandwidth and unique construction makes it especially suitable for advanced Dolby Digital and DTS applications. Important Note: There is a dedicated LEFT and RIGHT model 174 SR. This is clearly marked on the back of each speaker. Should you hang them on the wall using the supplied keyhole adapters, you must turn the speakers over (hanging them “upside down”) and swap them side to side for proper operation. aaaaaaaaaaaaaaaaaaaaaaaaa0 2 aaaaaaaaaaaaaaaaaaaaaaaaa0 Atlantic Technology ® The vast majority of the time, surround speakers are called upon to reproduce “environmental” sounds that are used as cues to tell you “where you are.” Dipoles are undoubtedly the best and most practical way to create such an involving and believable soundfield at home. Note: Although the speakers in the Atlantic Technology System 170 are acoustically and cosmetically matched to each other for best results, they may also be used with other Atlantic Technology components and a wide variety of speakers from other manufacturers with satisfying results. Connecting Your System We recommend that you connect your System 170 with high quality dual conductor stranded wire of 18 gauge or larger, for lengths up to 15 feet. (Remember, the lower the gauge number, the larger the wire). Use 16 gauge dual conductor or larger for longer runs of wire. Contact your audio/video dealer for specific cable recommendations and further information for special circumstances. Warning: To prevent risk of electrical shock or damage to your equipment, always switch off the amplifier or receiver when making connections to the speaker. You can connect your System 170 speakers by using a variety of audio connectors such as banana plugs (single or double—North America only), pin connectors, spade lugs, etc., or you can: 1. Remove 1/2" of insulation from each wire end. 2. Twist the stranded wire together, keeping the two ends separate. 3. Place the appropriate wire through the appropriate postholes in the connectors. These holes are revealed when you loosen the connector capscrew. 4. Screw down the capscrew tightly, but be careful not to overtighten. 5. Check the tightness of the capscrews 24 hours after hookup and occasionally after that, as they can loosen over time. We recommend that you check your local electrical codes to make sure that you are not using an improper connector. It’s import...