Covers Models 271 LR, 273m C, and 274t SR Atlantic Technology ® I N N O V A T I V E H O M E T H E A T E R 343 Vanderbilt Avenue Norwood, MA 02062 (781) 762-6300 www.atlantictechnology.
SYSTEM 270 THX Models 271 LR, 273m C, and 274t SR Atlantic Technology ® High Performance THX Select Certified Home Theater Loudspeaker System Thank you for choosing Atlantic Technology home theater products. Your new speaker components are precision crafted to give you years of enjoyable, trouble free service. This manual covers the System 270 THX speakers for home theater.
Atlantic Technology Models 271 LR, 273m C, and 274t SR ® The 273m C center speaker is intended to be placed in a horizontal position, as opposed to the vertical positioning intended for the 271 LR. It too is magnetically shielded so it may be placed directly adjacent to your TV set with no adverse effects. Model 274t SR Surround Speaker The Model 274t SR Dipole Surround Speaker is intended for use in multi-channel audio/video sound systems only as a dedicated surround channel speaker.
Atlantic Technology Models 271 LR, 273m C, and 274t SR ® Whether your are connecting a complete System 270THX, or adding a single speaker component to your present system, the wiring should look like the diagram in Figure 2. Warning: Before turning on the amplifier, be certain that no stray wire strands are touching across any terminals as this might damage your amplifier. Finally, check the polarity of your front speakers by listening to some music.
Atlantic Technology Models 271 LR, 273m C, and 274t SR ® channel speaker, a wider separation of the left and right front speakers is usually possible. You may chose to “toe” the LR speakers in, aiming them at the prime listening position. This can be particularly useful if the front LR speakers are fairly far apart. The Model 273m C should be placed directly above or below your television. It is important that the speaker is centered on the screen, not off to the side.
Atlantic Technology Models 271 LR, 273m C, and 274t SR ® Surround Effects The 274t SR’s size and shape allows greater flexibility in placement than most surround loudspeakers. Due to their Dipole design’s spatial characteristics, it’s possible to place the speakers almost anywhere within the rear third of the room. However, the best location is straight out to the sides of, or slightly behind the primary listening area, approximately 1-2 feet above seated ear level to 2 feet down from the ceiling.
Atlantic Technology Models 271 LR, 273m C, and 274t SR ® Mounting The 271 LR and the 274t SR speakers can be mounted in a variety of ways: On speaker stands Optionally available Atlantic Technology speaker stands (model 176ST, available in black or white) provide an ideal height (29" above the floor) for most rooms. Other speaker stands from may be used, but should be of approximately the same height (29" to the base of the speaker).
Atlantic Technology System 270 Models 271 LR, 273mTHX C, and Specifications 274t SR ® Model 271 LR 273m C 274t SR Type Sealed-box, 2-way Sealed-box, 2-way, multi-stage timbre control Sealed-box, frequency-enhanced surround speaker Drivers (2) 5-1/4" ICMG woofers (1) 1" silk dome tweeter (2) 5-1/4" ICMG woofers (1) 1" silk dome tweeter (2) 4-1/2" ICMG woofers (2) 3/4" silk dome tweeters Frequency Response (±3dB) 80Hz – 20kHz 80Hz – 20kHz 80Hz – 20kHz Nominal Impedance 8Ω 8Ω 8Ω Crossove