Denon AVR-3801 manual Surround back speakers, Number of surround back speakers

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Surround back speakers

A 6.1-channel system is a conventional 5.1-channel system to which the “surround back” (SB) channel has been added. This makes it easy to achieve sound positioned directly behind the listener, something that was previously difficult with sources designed for conventional multi surround speakers. In addition, the acoustic image extending between the sides and the rear is narrowed, thus greatly improving the expression of the surround signals for sounds moving from the sides to the back and from the front to the point directly behind the listening position.

Change of positioning and acoustic image

with 5.1-channel systems

FL

SW

C

FR

SL ch

 

 

SR ch

Change of positioning and acoustic image

with 6.1-channel systems

FL

SW

C

FR

SL ch

 

 

SR ch

 

 

SB ch

 

Movement of acoustic image from SR to SL

Movement of acoustic image from SR to SB to SL

With this set, speaker(s) for 1 or 2 channels are required to achieve a 6.1-channel system (DTS-ES, etc.). Adding these speakers, however, increases the surround effect not only with sources recorded in 6.1 channels but also with conventional 2- to 5.1-channel sources. The WIDE SCREEN mode is a mode for achieving surround sound with up to 7.1 channels using surround back speakers, for sources recorded in conventional Dolby Surround as well as Dolby Digital 5.1-channel and DTS Surround 5.1-channel sources. Furthermore, all the Denon original surround modes (see page 54) are compatible with 7.1-channel playback, so you can enjoy 7.1-channel sound with any signal source.

2Number of surround back speakers

Though the surround back channel only consists of 1 channel of playback signals for 6.1-channel sources (DTS-ES, etc.), we recommend using two speakers. When using speakers with dipolar characteristics in particular, it is essential to use two speakers.

Using two speakers results in a smoother blend with the sound of the surround channels and better sound positioning of the surround back channel when listening from a position other than the center.

2Placement of the surround left and right channels when using surround back speakers

Using surround back speakers greatly improves the positioning of the sound at the rear. Because of this, the surround left and right channels play an important role in achieving a smooth transition of the acoustic image from the front to the back. As shown on the diagram above, in a movie theater the surround signals are also produced from diagonally in front of the listeners, creating an acoustic image as if the sound were floating in space.

To achieve these effects, we recommend placing the speakers for the surround left and right channels slightly more towards the front than with conventional surround systems. Doing so sometimes increases the surround effect when playing conventional 5.1-channel sources in the 6.1 surround or DTS-ES Matrix 6.1 mode. Check the surround effects of the various modes before selecting the surround mode.

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Contents AVR-3801 Page Safety Precautions Safety Instructions Table of Contents Before UsingFeatures Connecting the audio components ConnectionsConnecting video components Connecting a video component equipped with S-Video jacks Precaution when using S-jacksConnecting a monitor TV Connecting the video decksConnecting the antenna terminals AM loop antenna assembly FM antenna adopter assemblyConnecting a DVD player DVD in jacks Connecting a monitor TV Monitor OUT jackConnecting the external input EXT. in jacks Connecting the Multi Zone jacksConnecting banana plugs Precautions when connecting speakersSpeaker system connections ConnectionsProtector circuit Surround speaker system indicators Part Names and FunctionsFront Panel Surround Speaker A/BRemote control unit DISPLAY/SURR. ParaSetting UP the System System Setup buttonPress this to display the system setup menu Cursor buttonsSurround speaker selector function Setting the power amplifier assignment Before setting up the systemSetting the type of speakers Parameters Assignment of low frequency signal range Setting the Subwoofer modeSubwoofer mode Setting the delay time SettingOFF PreparationsDelay Time screen appears automatically Once Meters or Feet is selected in ,Select the speaker to be set Set the distance betweenSetting the channel level Switch to the Channel Level screen Select Test Tone ModeSelect Yes Select Test Tone StartIs the same To select the input source Setting the Digital In AssignmentTo select the digital input jack Setting the on-screen display OSD Set the multi pre-out output level adjustmentSwitch to the On Screen Display screen Select on or OFF Multi Vol. LevelAuto tuner presets Press the Enter button Auto Preset Memory screen appearsAfter completing system setup On-screen display signalsUsing the remote control unit Remote Control UnitInserting the batteries Operating Denon audio components CD player CD system buttonsMD recorder MD, CD recorder CDR system buttons Tape deck Tape system buttonsReset Enter CodeCode no LearnChecking the preset memory settings Operating a component stored in the preset memoryOperate the component Learning function Storing system call signals SYS ModeSystem call System call buttonsUsing the system call function ResettingResetting the system call buttons Reset PRE Reset LRN Reset ALL Reset SYSSYS Mode SYS Call Resetting the preset memoryResetting learned buttons All reset function Auto search function Turn on the power Press the Power switch button OperationBefore operating Refer to Connections pages 6 to 13 and check that allTo select the input source when REC Input mode selection functionPlaying the input source Select the input source to be playedInput signal display Input mode displayExample Stereo Adjusting the sound quality Tone Listening over headphonesAfter starting playback Turning the sound off temporarily MutingMulti-source recording/playback Playing one source while recording another REC OUT modeChecking the currently playing program source, etc Display switches as follows each This operation is not possible in the REC OUT modeSelect Multi using Multi source switchesPlayback using the external input EXT. in jacks Press the EXT. in to switch External inputSet the external input EXT ModeMulti-source and multi-zone playback Multi Room Music Entertainment SystemSurround Before playing with the surround functionDolby Surround Pro Logic mode Fader functionSet the input mode to Auto or DTS Select the Dolby/DTS Surround modeSignal Detect indicator lights When playing sources On which7.1 Surround Surround parameters q Cinema EQ. Cinema EqualizerCOMP. Dynamic Range Compression LFE Low Frequency EffectDSP Surround Simulation Surround modes and their featuresPersonal Memory Plus DSP surround simulation Set the parametersWhen turned counterclockwise When turned clockwisePress the Surround Parameter button Tone control setting Cinema MusicAuto tuning Manual tuningListening to the Radio TunerPreset memory Checking the preset stationsLast Function Memory Recalling preset stationsInitialization of the Microprocessor Troubleshooting Additional Information Types of multi-channel signalsMovie audio Surround back speakers Number of surround back speakersSpeaker setting examples When using different surround speakers for movies and music When not using surround back speakersSurround Dolby Surround Dolby Digital Dolby Surround AC-32Dolby Digital and Dolby Pro Logic Dolby Digital compatible media and playback methodsDTS Digital Surround Dolby Pro LogicDolby Pro Logic compatible media and playback methods DTS compatible media and playback methodsDTS-ESTMDiscrete DTS-ESTMMatrixDTS Neo6TM surround DTS Neo6 CinemaSurround modes and parameters DVD VDP Tape TV/DBS VCR-1 VCR-2Specifications 14-14, Akasaka 4-CHOME, MINATO-KU, Tokyo 107-8011, Japan
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