Denon AVR-682 Operating Instructions Manual

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Denon AVR-682 Operating Instructions Manual Manual pdf 43 page image

43ENGLISH18 ADDITIONAL INFORMATION• Set the front speakers, center speaker and subwoofer in thesame positions as in example (1).• Set the surround speakers directly at the sides of the listeningposition and 60 to 90 centimeters (2 to 3 feet) above ear level.• The signals from the surround channels reflect off the walls asshown on the diagram at the left, creating an enveloping andrealistic surround sound presentation.• Set the front speakers with their front surfaces as flush with theTV or monitor screen as possible. Set the center speakerbetween the front left and right speakers and no further fromthe listening position than the front speakers.• Consult the owner’s manual for your subwoofer for advice onplacing the subwoofer within the listening room.• If the surround speakers are direct-radiating (monopolar) thenplace them slightly behind and at an angle to the listeningposition and parallel to the walls at a position 60 to 90centimeters (2 to 3 feet) above ear level at the prime listeningposition.Speaker setting examplesHere we describe a number of speaker settings for different purposes. Use these examples as guides to set up your system according to the typeof speakers used and the main usage purpose.(1) Basic settingUse this setting if your main purpose is to listen to movie music and when using one set (two speakers) of regular single-way or two-wayspeakers as the surround speakers.(2) Using diffusion type speakers for the surround speakersFor the greatest sense of surround sound envelopment, diffuse radiation speakers such as bipolar types, or dipolar types, provide a widerdispersion than is possible to obtain from a direct radiating speaker (monopolar). Place these speakers at either side of the prime listeningposition, mounted above ear level.SubwooferSurround speakerFront speaker60 to 90 cmSurround speakerFront speaker60 to 90 cmSurround speakers120°Front speakers45°MonitorCenter speakerAs seen from aboveAs seen from aboveAs seen from the sideAs seen from the sidePath of the surround sound from thespeakers to the listening positionSurroundThis unit is equipped with a digital signal processing circuit that lets you play program sources in the surround mode to achieve the same senseof presence as in a movie theater.Dolby Surround(1) Dolby Digital (Dolby Surround AC-3)Dolby Digital is the multi-channel digital signal format developed by Dolby Laboratories.Dolby Digital consists of up to “5.1” channels - front left, front right, center, surround left, surround right, and an additional channel exclusivelyreserved for additional deep bass sound effects (the Low Frequency Effects – LFE – channel, also called the “.1” channel, containing bassfrequencies of up to 120 Hz).Unlike the analog Dolby Pro Logic format, Dolby Digital’s main channels can all contain full range sound information, from the lowest bass, upto the highest frequencies – 22 kHz. The signals within each channel are distinct from the others, allowing pinpoint sound imaging, and DolbyDigital offers tremendous dynamic range from the most powerful sound effects to the quietest, softest sounds, free from noise and distortion.