146Additional Information• Set the front speakers, center speaker and subwoofer inthe same positions as in example q.• It is best to place the surround speakers directly at the sideor slightly to the front of the viewing position, and 60 to 90cm above the ears.• Same as surround back speaker installation method q.• Connect the surround speakers to the surround speaker Aterminals on the AVR-4806CI and set settings on the setupmenu to “A”. (This is the factory default setting ( page138).)• The signals from the surround channels reflect off thewalls as shown on the diagram at the left, creating anenveloping and realistic surround sound presentation.For multi-channel music sources however, the use ofbipolar or dipolar speakers mounted at the sides of thelistening position may not be satisfactory in order to createa coherent 360 degree surround sound field. Connectanother pair of direct radiating speakers as described inexample e and place them at the rear corners of the roomfacing towards the prime listening position.e When using different surround speakers formovies and musicTo achieve more effective surround sound for both moviesand music, use different sets of surround speakers anddifferent surround modes for the two types of sources.SubwooferSurround back speakersFront speakers45 ~ 60°MonitorCenter speaker[ As seen from above ]Surroundspeakers ASurroundspeakers AFront speaker60 to 90 cm[ As seen from the side ]Surround backspeakerPoint slightlydownwards140°Surround speakers BSurround speakers B• Set the front speakers slightly wider apart than the setupfor watching movies only and point them toward thelistening position in order assure clear positioning of thesound.• Set the center speaker in the same positions as in exampleq).• Set surround speakers A for watching movies in thepositions described in example q or w, depending on thetypes of speakers used.• Set surround speakers B for playing multi-channel music atthe same height as the front speakers and slightly at anangle to the rear of the listening position, and point themtoward the listening position.• Connect the surround speakers for watching movies to thesurround speaker A terminals on the AVR-4806CI, thesurround speakers for playing multi-channel music to thesurround speaker B terminals. Set the surround speakerselection on the setup menu. (For instructions ( page131, 132).)• To activate the appropriate speakers for movies and music,we suggest that during setup, choose Dolby Digital/DTSwith THX and Surround Speakers A (the bipolar or dipolarspeakers mounted at the sides of the listening position).Choose Dolby Digital/DTS without THX and SurroundSpeakers B (the direct radiating speakers mounted at therear corners of the listening room). Then, by simplyactivating the THX function (used during movie playback,the Surround A speakers are automatically activated. Formulti-channel music listening (Dolby Digital or DTS musicprograms), turn off the THX enhancements by touchingthe THX button on the remote control, and the Surround Bspeakers will be automatically activated.Example: Movie sources (Dolby, DTS surround, etc.)“THX” or “THX 5.1” mode … Speakers AMusic sources (DVD video, DTS CD, etc.)“Dolby/DTS surround” … Speakers BThe speakers can be switched at the touch of a buttonby turning HOME THX CINEMA on when playingmovies and off when playing multi-channel music.
