Denon's AVR-686 A/V Receiver is capable of 7-channel surround sound that lets users enjoy a wide variety of media such as network audio and photo streaming. The AVR-686 supports Dolby TrueHD and DTS-HD Master Audio for the ultimate in audio fidelity. It transforms your favorite 2-channel sources such as CD, tape, stereo radio and stereo video sources into exciting surround sound, free of delay effects and unnatural artifacts, from all 7 speakers.
The AVR-686 features three component inputs along with four composite inputs, which maintain flat response up to 100MHz, ensuring sharp image quality. The AVR-686 is equipped with Personal Memory Plus function that automatically remembers the surround mode you last used for each program source, so that you do not need to select the mode again for that program.
Auto Setup with Microphone
The AVR-686 is equipped with an Auto Setup function, to achieve the most ideal sound field for your room. With the microphone placed at your listening position, the powerful 32-bit floating point DSP automatically and accurately analyzes, adjusts and sets the speaker configurations of your system
Fully Discrete, Equal Power 7 Amplifier Channels, 75W Each
For optimum Dolby Digital and DTS reproduction, the AVR-686 features high quality, wideband
audio amplification, providing 75W power output for each of the 7 main channels. A large capacity power supply includes a high current power transformer along with discrete power output devices on all 7 amplifier channels for the highest dynamic range and superb reproduction clarity
Power Transformer for High Power Driven
The chassis that supports the large transformer has been designed to absorb vibration, and the transformer is housed inside a highly rigid frame to secure it more solidly to the chassis. In addition, a cushioning material has been placed around the core of the transformer to minimize interference on the signal and enable more faithful reproduction of the original sound. The AVR-686 inherits its low-noise design from higher-end models not to mention the use of short ring
Twin Drive Rectifier
Denon's Twin Drive Rectifier design uses two rectifying diodes in parallel to bring out the maximum potential of the large transformer. Since the rectifiers recharge the large
block capacitors at low impedance, they are able to supply ample current to reproduce deep basses as well as sudden bursts of sound from percussion or other musical instruments
Large Aluminum Extruded Heatsink
Denon uses large heatsink made of extruded aluminum. They have been placed in a design that ensures mostly uniform temperatures throughout the heatsink so that the output transistors for all channels can be driven under uniform conditions. This in turn ensures that all channels respond with equal performance to the demands of the audio signals
Wide-Range Play Capability for DVD-Audio and Super Audio CD
The power amp circuits of the AVR-686 have been meticulously designed to reproduce the exceptionally high sound quality with wide frequency response from 10 Hz to 100 kHz
Dual Channel Surround Back Power Amp for 7.1 Surround
The AVR-686 is equipped with a total of 7 power amps including 2 for the surround back channel speaker to give you more clearly defined sound localization at the rear for 6.1-channel surround sources such as DTS-ES Discrete 6.1, DTS-ES Matrix 6.1, Dolby Digital EX, and DTS-ES NEO:6
Amplifiers
Assignable surround back (L/R) amplifiers for front (L/R) channel bi-amping, or for Multi-zone playback
Amplifiers initially reserved for Surround back (L/R) channels can be assigned to front (L/R) channels to improve playback quality in the front for enhanced listening enjoyment. Or the amplifiers can be assigned to Zone 2 speakers (with multisource), in addition to pre-out for Zone 2
Amplifiers initially reserved for Surround back (L/R) channels can be assigned to front (L/R) channels to improve playback quality in the front for enhanced listening enjoyment. Or the amplifiers can be assigned to Zone 2 speakers (with multisource), in addition to pre-out for Zone 2
Cinema Equalizer
The sound from movie sources recorded in Dolby Digital, DTS or other formats emphasizes
high-frequency range due to a theater's front speakers being placed behind the movie screen. If this sound is reproduced in the home theater without correction, the high-frequency range is too strong. The AVR-686 features a Cinema Equalizer to correct these high-frequency components so that the sound is clearer and easier to listen to (For Dolby Digital, Dolby Pro Logic II, Dolby Digital EX and DTS surround modes)
Personal Memory Plus, for Easy Operation
The AVR-686 includes the Personal Memory Plus function that automatically remembers the surround mode you last used for each program source, so that you do not need to select the mode again for that program
Acclaimed Customization Feature
As with all of Denon's high-grade A/V receivers, the AVR-686 lets you adjust delay times and other parameters so that you can customize the performance of the AVR- 686 to suit your own home theater and enhance operating ease. The adjustments are easy to make via a dialog format on the fluorescent display on the front panel. These customized features are then stored, for each source input and surround mode, in Personal Memory Plus so constant readjustments are not required
5 Channel / 7 Channel Stereo Mode
Denon's popular 7 channel stereo mode transforms your favorite 2-channel sources
such as CD, tape, stereo radio and stereo video sources into exciting surround
sound, free of delay effects and unnatural artifacts, from all 7 speakers. This 7
channel stereo mode was originally developed
DSP Surround Modes Add Listening Excitement
Put yourself in the middle of your favorite concert hall and music environments with
Denon's DSP acoustic environment simulation modes. These DSP modes add spacious surround sound enhancements to your favorite music and video sources, and include these distinctly different sounding effects:
1. 5 / 7 Channel Stereo
2. Virtual Surround
3. Rock Arena
4. Jazz Club
5. Video Game
6. Matrix
7. Mono Movie
1. 5 / 7 Channel Stereo
2. Virtual Surround
3. Rock Arena
4. Jazz Club
5. Video Game
6. Matrix
7. Mono Movie
Adjustable Cross-Over Switching
The AVR-686 supports subwoofer cross-over switching with a choice of 8 cross-over frequencies: 40/60/80/100/120/150/200/250Hz. This lets you more accurately
match the performance characteristics of the subwoofer to the main speaker system
Audio Delay Function (0 - 200 msec.)
Audio delay function corrects slight lags between sound and picture that can occur
when a video signal is processed, such as in a progressive scan DVD player or outboard
video processor
Other Features
Night mode for not disturbing others
Front panel inputs
Front A/B speaker terminals
High-grade speaker terminals (All ch)
Remote in/out ports
Multi-function preset memory remote controller with Glo-keys
Frequency synthesis tuning
-56-station AM/FM random preset memory tuning
-Auto preset memory
Front panel inputs
Front A/B speaker terminals
High-grade speaker terminals (All ch)
Remote in/out ports
Multi-function preset memory remote controller with Glo-keys
Frequency synthesis tuning
-56-station AM/FM random preset memory tuning
-Auto preset memory