Harman Kardon AVR 147 Owner's Manual

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Harman Kardon AVR 147 Owner's Manual Manual pdf 16 page image

16 INSTALLATION AND CONNECTIONSInstallation and ConnectionsSpeaker SelectionNo matter which type or brand of speakers isused, the same model or brand of speakershould be used for the front-left, center andfront-right speakers. This creates a seamlessfront soundstage and eliminates the possibilityof distracting sonic disturbances that occur whena sound moves across mismatched front-channelspeakers.Speaker PlacementThe placement of speakers in a multichannelhome-theater system can have a noticeableimpact on the quality of sound reproduced.Depending on the type of center-channelspeaker in use and your viewing device, placethe center speaker either directly above or belowyour TV, or in the center behind a perforatedfront-projection screen.Once the center-channel speaker is installed,position the left-front and right-front speakers sothat they are as far away from one another asthe center-channel speaker is from the preferredlistening position. Ideally, the front-channelspeakers should be placed so that their tweetersare no more than 60cm above or below thetweeter in the center-channel speaker.They should also be at least 0.5 meter from yourTV set unless the speakers are magneticallyshielded to avoid colourings on the TV screen.Note that most speakers are not shielded, evenwith complete surround sets only the Centerspeaker may be.Depending on the specifics of your roomacoustics and the type of speakers in use, youmay find that imaging is improved by moving thefront-left and front-right speakers slightly for-ward of the center-channel speaker. If possible,adjust all front loudspeakers so that they areaimed at ear height when you are seated in thelistening position.Using these guidelines, you’ll find that it takessome experimentation to find the correctlocation for the front speakers in your particularinstallation. Don’t be afraid to move thingsaround until the system sounds correct. Optimizeyour speakers so that audio transitions acrossthe front of the room sound smooth.When the AVR is used in 5.1-channel operation,the preferred location for surround speakers ison the side walls of the room, at or slightlybehind the listening position.Subwoofers produce largely nondirectionalsound, so they may be placed almost anywherein a room. Actual placement should be based onroom size and shape and the type of subwooferused. One method of finding the optimallocation for a subwoofer is to begin by placing itin the front of the room, about 15 cm from awall, or near the front corner of the room.Another method is to temporarily place thesubwoofer in the spot where you will normallysit, and then walk around the room until youfind a spot where the subwoofer sounds best.Place the subwoofer in that spot. You shouldalso follow the instructions of the subwoofer’smanufacturer, or you may wish to experimentwith the best location for a subwoofer in yourlistening room.A) Front Channel Speaker Installation withDirect-View TV Sets or Rear-Screen ProjectorsAt least 15 cm from cellingAt least 60 cm5.1-Channel System