User manual ATLANTIC TECHNOLOGY T90 PBM INSTRUCTION MANUAL

[. . . ] The dual tweeters and single woofer are electronically phased to produce diffuse high frequency ambience with limited midrange localization. The T90 SR's unique TriVector design makes it well suited for all analog and digital surround applications. IMPORTANT NOTE: The unique shape of the T90 SR lends itself to more than one mounting method. [. . . ] The left 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 to be disconnected from the screen, distracting you from the picture. You should try "toeing" the LR speakers in, aiming them at the prime listening position, to see if you prefer the resulting sonic balance more. This can be particularly useful if the LR speakers must be fairly far apart. It's important that the speaker is centered on the screen, not off to the side. Place the separate speaker base so that the foot "cutouts" are closest to the front. Sit the speaker's feet in the cutouts and tilt the speaker so that it points most directly at the listening position. The T90 C includes a rear mounted High Frequency Level control that adjusts the output of the tweeter. You should adjust this control to get the three front speakers to sound as much alike as possible when you set up your system. Most contemporary receivers include a random noise test tone for setting the speaker levels. While listening to the random noise test tone, have someone adjust the High Frequency control to match the three front speakers. IMPORTANT NOTE: Most surround sound decoders and receivers offer a choice of "Normal" or "Wideband" or "Large" and "Small" modes for the some or all of the speakers in the set up menus. All T90 speakers must be used in the Normal or Small mode, if this choice is available. 4 Atlantic Technology® Figure 3: Typical arrangement for speakers in a home theater. For best results, place the surround speakers within the shaded area. Surround speaker should be no closer than 2' from the ceiling Surround speaker Above ear level when seated Center channel should be within 2' of front speaker tweeter height Surround speaker Center of surround speaker in line with listening position Surround Effects The T90 SR's size allows great placement flexibility and its unique TriVector spatial characteristics make it possible to place them almost anywhere within the rear third of the room. The best location however, is straight out to the sides of the prime listening position (+/- 15 degrees), approximately 18 inches to 24 inches above ear level. IMPORTANT NOTE: The surround speakers are primarily used to re-create the ambient sounds taking place in the movie scene. Throughout part or even most of a movie, you may not be aware of the surround speakers presence. Try to avoid the trap of turning the surrounds up so loud that you hear them all the time. The result will be a much less believable surround sound experience and constant distraction from the prime action taking place on the screen. [. . . ] On the wall To mount your speakers on a wall, we have supplied metal keyhole brackets that attach to the back of the speakers. If you can do so, save the cartons, packing pieces, and plastic bags that came with your speakers. They will be useful in case you move or have to ship your loudspeakers for any reason. [. . . ]