Harman Kardon AVR80MKII Owners Manual - Page 21

System Configuration 19 When all audio, video and system connections have been made, there are a few configuration adjustments to be made. A few minutes spent to correctly configure and calibrate the unit will greatly add to your listening experience. Speaker Selection and Placement The placement of speakers in a multi channel home theater system can have a noticeable impact on the quality of sound reproduced. For Home THX operation it is recommended that the speakers carry the certification mark of Lucasfilm Ltd.'s Home THX Division. However, with careful selection and placement, the AVR80// will deliver accurate reproduction with any high quality speakers. No matter which type or brand of speakers are used, the same model or brand of speaker should be used for the front left, center and right speakers. This creates a seamless front soundstage, and eliminates the possibility of distracting sonic disturbances that occur when a sound moves across mis-matched front channel speakers. For the most accurate and exciting reproduction of bass frequencies a separate subwoofer should be used. When THX Certified front channel speakers are used, a separate subwoofer is mandatory, as THX front and center speakers are not designed for extreme low frequencies. The AVR80// may be used with either conventional (point source) surround speakers or with THX Certified diffuse surround speakers. No adjustment is needed to select the type of surround speaker used. Speaker Placement Depending on the type of center channel speaker in use and your viewing device, place the center speaker directly above or below your TV or in the center behind a perforated front projection screen. Once the center channel speaker is installed, position the left and right front speakers so that they are as far away from one another as the center channel speaker is from the preferred listening position. Ideally, the front channel speakers should be placed so that their tweeters are no more than 24" off center form the tweeter in the center channel speaker. Depending on the specifics of your room acoustics and the type of speakers in use, you may find that imaging is improved by moving the front left and right speakers slightly forward of the center channel speaker. If possible, adjust all front loud- Center Front cpaaker No more than 24" - I Lett Front Speaker Right Front Speaker A) Front Channel Speaker Installation with Direct View TV Sets or Rear Screen Projectors Left Front Speaker INo more than 24" Right Front Speaker 1 Center Front Speaker B) Front Channel Speaker Installation with Non-Perforated Front Projection Screen ce- Left Front Speaker Center Front Speaker Right Front Speaker C) Front Channel Speaker Installation with Center Speaker behind a Perforated Front Projection Screen