About the Denon AVR-1708
The AVR-1708 combines solid Denon construction, plenty of convenience features, and the advanced processing you need for outstanding surround sound from all your entertainment sources. Seven channels of Denon's acclaimed high-current amplification will treat your ears to clear, dynamic sound. And options such as XM Satellite Radio capability and iPod® integration add even more to this receiver's versatility.
Easy, accurate speaker setup
Denon also included Audyssey MultEQ®, a sophisticated auto-calibration system that helps you get the most accurate home theater sound possible. Just plug in the included microphone and place it in up to six different seats in your home theater room. The '1708 analyzes the sound from each listening position, then automatically adjusts level, equalization, and delay settings for each of your speakers. You get precise surround sound across a wide listening area.
1080p-compatible HDMI switching and component video conversion
If you've got an HDTV with only one HDMI input, you'll appreciate this receiver's 1080p-compatible HDMI video switching. Hook up your HD satellite receiver and a high-def disc player via HDMI and switch between them, while maintaining pristine picture quality for both. Component video conversion allows you to route all of your analog video sources to your TV using only one component video connection. This simplifies hookup, streamlines switching, and maintains the best picture for every analog video source in your system.
Multi-room audio and other conveniences
This receiver's dual-room/dual-source audio capability lets you enjoy home theater in your main room while a housemate enjoys stereo music in a second room. You also get plenty of connections for system-building, including HDTV-compatible component video switching. A front-panel audio/video input lets you quickly and easily hook up a camcorder or game system. The handy remote with glow-in-the-dark buttons can control most brands of TVs, DVD players, and other components.
Product highlights:
- 75 watts x 7 into 8 ohms (20-20,000 Hz) at 0.08% THD
- Dolby® Digital EX, DTS-ES®, Pro Logic® IIx, and DTS Neo:6 decoding
- Audyssey Laboratories' MultEQ six-point auto setup and room calibration system (microphone included)
- component video conversion
- iPod® integration (requires optional ASD-1R iPod dock)
- Compressed Audio Restorer for better sound from your MP3s
- XM Satellite Radio Ready (requires XM subscription and optional XM Mini-Tuner package)
- Neural Surround decoder for XM's HD Surround channels
- two-room/two-source output with powered and line-level stereo audio output for 2nd room (using powered 2nd room stereo output allows 5.1 home theater in main room)
- high-current amplifier design
- 56 AM/FM/XM presets
- aluminum front panel
- multibrand remote
- basic remote for 2nd listening room (requires remote control extender system, not included)
- 17-1/8"W x 6-3/4"H x 15-3/8"D
- warranty: 2 years
Connections:
- 1080p-compatible HDMI digital video switching (2 in, 1 out) — pass-through only (a separate cable connection is required for audio)
- HDMI version 1.3a
- component video switching: 3 in, 1 out
- digital audio inputs: 2 optical, 2 coaxial
- 4 audio/video inputs, including:
- 1 front-panel input with composite video
- 3 rear-panel inputs with composite and S-video
- 3 audio-only inputs
- no phono input
- 7.1-channel analog audio preamp input
- 2 pairs of main speaker outputs
- back surround speaker channels re-assignable for bi-amping front left and right speakers
- MFR # AVR-1708
What's in the box:
- Black AM/FM/Dolby Digital/DTS receiver
- RC-1075 Wireless remote control
- RC-1085 Wireless secondary-remote control
- 2 "AA" batteries
- 2 "AAA" batteries
- DM-A405 setup microphone with attached 25' cord (has a minijack mono connector)
- AM analog loop antenna
- FM wire antenna
- Owner's Manual (English/French)
- Getting Started booklet (English/French)
- Limited Warranty sheet (English/French)
- Denon Service Network sheet
- XM channel guide
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More details on the Denon AVR-1708
Features & specs
Product Research
Features
Remote Controls
Inputs and Outputs Notes
Features
7-Channel Equal Power Amplifier: The Denon AVR-1708 features a 7-channel equal power, discrete amplifier. The amplifier is rated at 75 watts x 7-channels RMS.
1080p HDMI Pass-Through: The AVR-1708 features two rear-panel HDMI version 1.3a inputs that support 1080p video signals and will pass the high definition video signal to your HDTV via its HDMI version 1.3a 1080p monitor output.
Note: The audio signal input to the HDMI input connectors cannot be played on the AVR-1708. You must input the audio signal from your external source through the digital audio input connector or analog audio input connector.
Video Conversion: This function automatically converts various formats of video signals input to the AVR-1708 into the format used to output the video signals from the AVR-1708 to your television. The AVR-1708's video input/output conversion circuitry is compatible with the following types of video signals.
Composite: composite video input
signals can be converted and output as S-video or component video
S-Video: S-video input signals can be
converted and output as composite or component video
Component: component video input
signals must be output as component video
HDMI: signals input as HDMI must also
be output as HDMI; analog signals cannot be output as HDMI
24-Bit, 192 kHz D/A Converters: The AVR-1708 uses highly accurate Analog Devices 24-bit, 192 kHz Digital-to-Analog converters on all 8 channels. The 192kHz sampling rate and 24-bit word length capabilities of the DACs allow you to play high-resolution recordings and hear the increased clarity, detail and dynamic range of those recordings.
Digital Signal Processing (DSP): The Denon AVR-1708 is equipped with a new high-resolution Analog Devices Hammerhead 32-bit floating DSP processor. All elements of the Surround Processor are optimized to the highest standards by the use of selected high performance and discrete components, particularly the A/D and D/A converters and the sophisticated DSP surround decoder.
Surround Modes: This receiver incorporates a wide variety of surround modes to bring you maximum enjoyment from your audio and video software. The surround modes include:
Dolby Digital: Dolby Digital is a 5.1 multi-channel digital surround format.
Dolby Digital EX: Dolby Digital EX is a 6.1 multi-channel digital surround format.
Dolby Pro Logic II: Dolby Pro Logic II technology processes any high quality stereo (two-channel) movie and music audio into five playback channels of full-bandwidth surround sound. A matrix surround decoding technology, Dolby Pro Logic II detects the directional cues that occur naturally in stereo content and uses these elements to create a five-channel surround sound playback experience. You can choose from the following Dolby Pro Logic II formats - Cinema, Music, Game or PL (Pro Logic).
Dolby Pro Logic IIx: Pro Logic IIx expands any existing stereo- or 5.1-channel audio for a 6.1- or 7.1- channel playback, creating a seamless, natural surround soundfield that immerses you in the entertainment experience. You can choose from the following Dolby Pro Logic IIx formats - Cinema, Music, Game or PL (Pro Logic).
DTS Digital Surround: DTS Digital Surround is a 5.1 multi-channel
digital
surround sound
format used for both commercial/theatrical and consumer grade applications.
DTS-ES Extended Surround:
DTS-ES features two 6.1 multi-channel formats.
DTS-ES Discrete 6.1:
DTS-ES Discrete 6.1-channel is a 6.1-channel discrete digital audio
format adding a surround back channel to the DTS digital surround sound.
DTS-ES Matrix 6.1: DTS-ES Matrix 6.1-channel is a discrete 6.1 channel digital audio format
inserting a surround back channel to the DTS surround sound through
matrix encoding.
DTS Neo:6 Surround: DTS
Neo:6 is a matrix decoding technology for achieving 6.1-channel surround
playback with 2-channel sources. You can choose from two DTS Neo: 6 Surround
formats - Neo: 6 Cinema and Neo: 6 Music
DTS 96/24: DTS 96/24 is a
digital audio format enabling high sound quality playback in 5.1-channels
with a sampling frequency of 96 kHz and 24 bit quantization of DVD-video.
Combined Surround Modes:
The receiver features several combined modes using existing Dolby and
Digital Theater Systems (DTS) surround modes:
Dolby Digital+Dolby Pro Logic
IIx (Cinema and Music)
DTS+Neo:6
DTS+Dolby Pro Logic IIx
(Cinema and Music)
Neural Surround: Neural Surround has been adopted by XM Satellite Radio for digital radio broadcasts of XM HD Surround recordings and live events in surround sound. Neural Surround employs psychoacoustic frequency domain processing which allows delivery of a more detailed sound stage with superior channel separation and localization of audio elements.
Denon Original Surround (DSP) Modes:
Rock Arena: this mode
is for enjoying the atmosphere of a live concert in an arena
Jazz Club: this mode
is for enjoying the atmosphere of a live concert in a jazz club
Mono Movie: this mode
is for playing monaural movie sources with surround sound
Video Game: this mode
is suited for achieving surround sound with video games
Matrix: this mode lets
you add a sense of expansion to stereo music sources
Virtual: this mode is
for enjoying surround effects using only the front speakers or
headphones
5CH/7CH Stereo: this
mode is for enjoying stereo sound from all speakers
Two-channel Music Modes: There are two 2-channel playback modes exclusively for music:
Direct: audio signals bypass the tone
control circuits, and are transmitted directly, resulting in good quality
sound
Stereo: allows you to adjust the tone
to achieve the desired sound
Personal Memory Plus: The receiver has a personal memorization function that automatically memorizes the surround modes and input modes selected for the different input sources. When the input source is switched, the modes set for that source last time it was used are automatically recalled. The surround parameters, tone control settings, and playback level balance for the different output channels are memorized for each surround mode.
Surround Parameters: You can adjust the following surround mode parameters:
CINEMA EQ (Cinema Equalizer): The Cinema EQ function gently decreases the level of the extreme high
frequencies, compensating for overly-bright sounding motion picture
soundtracks. Select this function if the sound from the front speakers is
too bright. This function only works in the Dolby Pro Logic (including PL II
and PL IIx), Dolby Digital, DTS Surround, DTS Neo:6, and Wide Screen modes.
D.COMP (Dynamic Range
Compression): Motion picture soundtracks have tremendous dynamic range
(the contrast between very soft and very loud sounds). For listening late at
night, or whenever the maximum sound level is lower than usual, the Dynamic
Range Compression allows you to hear all of the sounds in the soundtrack
(but with reduced dynamic range). This only works when playing program
sources recorded in Dolby Digital or DTS. You can select one of the four
settings: "OFF", "LOW", "MID" (middle), or "HI" (high).
LFE: This setting adjusts
the low-frequency effects level (LFE). You can adjust the LFE from -10 to 0
dB.
Center Image: This
function assigns a center channel signal to the front left and right
channels for wider sound. You can adjust the center image range from 0.0 to
0.3 to 1.0.
Panorama: This feature
assigns front left and right signals to surround channels for wider sound.
You can turn this feature On or Off.
Dimension: This settings
shifts the sound image from the center to the front or rear to adjust
playback balance. You can select from 0 to 3 to 6.
Center Width: This
function assigns a center channel signal to the front left and right
channels for wider sound. You can select from 0 to 3 to 7.
Delay Time: This feature
adjusts the delay time to control the sound stage size. You can select
either 0 to 30ms to 300ms.
Effect Level: This
function adjusts the effect signal level from 1 to 10 to 15.
Room Size: This feature
determines the size of your acoustic environment. You can select from Small,
Medium small, Medium, Medium large, or Large.
SB CH Out (for multi-channel
sources): This setting selects the playback mode for the surround back
channels of the receiver. You can choose from Non Matrix, Matrix, PLIIx
Cinema, PLIIx Music, ES Matrix, ES Discrete or Off.
SB CH Out (for 2-channel
sources): You can select either On or Off for the surround back channels
when listening to a 2-channel source.
Tone Settings: You can independently adjust the system's overall Bass and Treble settings from -14 to +14 dB.
Subwoofer Level: The receiver's subwoofer level can be adjusted from 0, 5, 10 or 15 dB.
Night Mode: This mode is optimized for late night listening. You can select from the following Night Modes - Low, Middle, High or Off.
Restorer: This function restores compressed audio signal to how they were before compression and corrects the sense of volume of the bass to obtain richer playback sound. You can select from one of the following modes - Mode 1, Mode 2, Mode 3 or Off.
Auto Setup: The receiver is equipped with an Auto Setup and Room Equalization function, to achieve the most ideal sound field for your room. The AVR-1708 Audyssey MultiEQ function is designed to optimize the sound quality at each listening position in the room. The included DM-A405 microphone is used to measure test tones at each listening position. This measured data is then analyzed using a program to improve acoustic characteristics in the listening area. For best results at least 6 positions should be measured, including a main position. The main position is given more weight in the calculations. The Audyssey function adjusts the following measurements automatically: Speaker Configuration, Distance, Channel Level, Crossover Frequency, and Room EQ.
Room EQ: The Room EQ function offers the following adjustments:
Audyssey: Adjusts the
frequency response of all speakers to correct the effects of room acoustics.
Audyssey Byp. L/R:
Optimizes frequency response of speakers except front speakers to match room
acoustics.
Audyssey Flat: frequency
response of all speakers are flat.
Off: Turns equalizer off.
Manual Speaker Setup: The receiver also allows you to adjust the following speaker parameters manually.
Speaker Size: select either Large or
Small for the Front and Surround speakers; select either Large, Small or
None for the Center Channel speaker; select Large, Small, or None when using
either two, one or no Surround Back speakers; select Yes or No for the
Subwoofer
Speaker Distance: sets distance from
listening position to speakers; you can select from a variable range of 0 to
60 feet in 1 foot increments for each speaker
Test Tone: adjusts channel level to
obtain equal volume from all speakers; you can select from -12 to +12
dB
Subwoofer Mode: select one of two
modes -
LFE Normal: the subwoofer plays
the LFE channel signals (during playback of Dolby Digital and DTS
signals) and the low frequency signal range of any channels set to Small
in the speaker setup, low frequencies for channels set to Large are
played from those channels only
LFE + Main: the subwoofer
simultaneously plays the LFE channel signals and the low frequency
signal range of the other speakers as well
Crossover Frequency: adjusts the cutoff frequency of the subwoofer output from 40Hz, 60Hz, 80Hz, 90Hz, 100Hz, 110Hz, 120Hz, 150Hz, 200Hz or 250Hz
Volume Setting: You can set a maximum volume level of 0, -10, or -20 dB to limit the receiver's total volume output. You can also indicate a Turn-On Volume setting from -80 to +18dB or Last (whatever volume you used last before turning the unit Off).
Muting Level Adjustment: You can set the amount of attenuation for the audio muting circuit from -40dB or -20dB from the present volume level.
Audio Delay: This feature allows you to compensate for mismatched timing between video and audio signals. You can set the delay time for the audio signal from 0 to 200 ms.
Channel Level: You can adjust the input channel level of the receiver either according to the playback source connected or to suit your taste.
AM/FM Tuner: The receiver features an AM/FM tuner which allows you to preset up to 56 radio stations (8 stations each in 7 separate banks). You can delete any unused tuner banks.
XM Satellite Ready: You can listen to XM Satellite Radio by connecting the XM Connect & Play antenna/tuner to the AVR-1708's proprietary plug. XM Satellite Radio offers over 150 commercial-free channels of music, news, sports, comedy, talk, and entertainment to choose from--all in digital quality. During XM playback, you can display the channel number and name, category, artist name, and song title on the front panel. Note: A subscription is required in order to receive XM Satellite Radio.
iPod Compatibility: Using the optional Denon ASD-1R iPod dock (033ASD1RBK, 033ASD1RWT), or network iPod dock (033ASD3N, 033ASD3W) you can connect your iPod to the AVR-1708. Folder and file names appear on the receiver's display panel. The iPod can be controlled using the buttons on the main unit and the remote control.
Bi-Amp Connections: Certain loudspeakers are equipped with two sets of input terminals for bi-amplification. The receiver's Power Amp Assign mode allows you to power bi-amp capable speakers with two amplifier channels. The front speakers can be powered by either the Front "A" or Front "B" and the Surround Back/Zone 2 speaker outputs.
Dual Zone/Dual Source Operation: Denon's Dual-Zone/Dual-Source function lets you select different audio/video sources for listening and viewing in different locations of your home. The AVR-1708 features a Main Audio/Video Zone (Zone 1) and an Audio Only Zone (Zone 2). The Main Audio/Video Zone 1 contains 7.1-channel playback of your audio/video gear in your main entertainment room. The Audio Only Zone 2 allows you to play a stereo audio source connected to the receiver in a 2nd room of your house via left/right RCA audio or speaker terminal output connections.
Note: Zone 2 features either a preamp-output or speaker terminal output so you can use this amp or a separate amp to power speakers in another room. When using the AVR-1708 to power speakers in a second room of your home, the main zone is restricted to 5.1-channel at the same time. When using the receiver's preamp output terminals for the second room you need an additional amplifier in that room to power those speakers while the main Zone of the receiver remains 7.1-channel.
Last Function Memory: This unit is equipped with a last function memory, which stores the input and output setting conditions as they were immediately before the power was switched off.
Back-Up Memory: The unit is also equipped with a back-up memory. This function provides approximately one week of memory storage when the main unit's power switch is off and the power cord is disconnected.
Remote Controls
RC-1075 Remote Control: The AVR-1708 comes with a remote control that can operate the receiver as well as other remote control capable Denon components. In addition, the remote is pre-programmed with control signals for other brand products; including DVD players, VCRs, TVs, cable boxes, satellite receivers, CD players, CD recorders, MiniDisc players/recorders, and cassette decks.
Sub/Dual-Zone Remote Control (RC-1085): The receiver's sub remote control unit is equipped with frequently used buttons, so it can be used for simple remote control unit operations. The sub remote (RC-1085) can also be used for dual zone, so you can use it to control the AVR-1708 from other rooms with an optional IR repeater kit. The following operations can be performed using this remote:
Switching the input source
Adjusting the volume
Tuner (AM/FM), XM, and iPod operations
Zone power on/off
Note: It is not possible to operate devices other than the amplifier with the Sub/Multi-Zone remote.
Inputs and Outputs Notes
HDMI Inputs/Output: This unit has 2 HDMI version 1.3a inputs and 1 HDMI version 1.3a output. The HDMI inputs are assignable to different input sources. The HDMI jacks support HDCP copyright protection and are compatible with 30 and 36 bit Deep Color and xvYCC technology.
Note: The audio signal input to the HDMI input connectors cannot be played on the AVR-1708. You must input the audio signal from your external source through the digital audio input connector or analog audio input connector.
Component Video Inputs/Outputs: The receiver features 3 component video inputs and 1 component video output. The component video inputs are assignable to different sources.
Assignable Digital Inputs: The AVR-1708 features 2 optical digital (Toslink) inputs and 2 coaxial digital inputs. Each input can be assigned to any of the different input sources except Tuner.
7.1 Multi-Channel External Input: The AVR-1708 is equipped with a 7.1-channel input to accommodate present and future multi-channel formats. These inputs are rated from 10Hz to 100kHz for high resolution audio sources such as SACD, DVD-Audio, HD-DVD, or Blu-ray.
Speaker Terminals: All of the receiver's speaker terminals are binding posts. They are not 5-way binding posts because a plastic collar prevents their use with spade lugs.
XM: This proprietary terminal allows you to connect and optional XM Mini Tuner and Mini Tuner Home Dock.
iPod Connection Terminal: You can connect and play an iPod that has Apple's Dock connector using the optional Denon ASD-1R iPod dock (033ASD1RBK, 033ASD1RWT) or iPod network dock (033ASD3N, 033ASD3W).
Room-to-Room Remote Jacks: The receiver has a mini-jack input for use with an optional Denon RC-616 IR re-transmitter. The adjacent room-to-room output is for future use.
Front Panel (V.Aux) Inputs: This unit features stereo audio and composite video inputs on the front panel for conveniently connecting a game console or camcorder.
Headphone Jack: The receiver has a standard 1/4" headphone jack on the front panel for private listening. When headphones are plugged in, the receiver's speaker and preamp outputs are automatically turned off.
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