Denon AVR-681 - Manual

The AVR-681 A/V receiver lets you enjoy home theater entertainment through a wealth of easy-to-use functions and
superior sound quality. It provides five high-powered channels of 90 watts each and of course supports Dolby Digital and
DTS, to give you the scintillating experience of cinematic surround sound in your own home. Even if you have only two
speakers, one for each stereo channel, the AVR-681 includes a Virtual Surround mode that still lets you feel wrapped up in
sound as you would in a real theater.
Bringing the Excitement of Home Theater Closer to Your Home
■ Dolby Digital and DTS Decoders
Equipped with both Dolby Digital and DTS 5.1 channel decoding,
the AVR-681 provides thrilling surround sound with the thousands of
Dolby Digital and DTS encoded DVDs, as well as the growing library of
DTS 5.1 channel music recordings available on CD.
■ Fully Discrete, Equal Power Five Amplifier Channels, 90 Watts Each
Front 90 W + 90 W (6 ohms, 1 kHz, 0.7 % THD)
Center 90 W (6 ohms, 1 kHz, 0.7 % THD)
Surround 90 W + 90 W (6 ohms, 1 kHz, 0.7 % THD)
For optimum Dolby Digital and DTS reproduction, the AVR-681 features
high quality, wideband audio amplification, providing 90 watts power
output for each of the five main channels. A large capacity power sup-
ply includes a high current power transformer along with discrete
power output devices on all five amplifier channels for highest dynamic
range and superb reproduction clarity.
■ 5 Channel Stereo Mode
DENON's exclusive 5 Channel Stereo mode provides superb surround
sound with conventional two channel music and video sources. Hear
exciting surround sound from all five speakers with your favorite two
channel music sources such as CD, tape, stereo radio and stereo video
sources.
■ Virtual Surround Mode
Surround yourself with sensational 3D soundfield envelopment
using just one pair of speakers. The AVR-681's Virtual Surround mode
provides a dramatic psychoacoustic surround sound effect, using two
speakers with Dolby Digital 5.1 encoded sources.
■ DENON 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 Channel Stereo 5. Video Game
2. Virtual Surround 6. Matrix
3. Rock Arena 7. Mono Movie
4. Jazz Club
■ Supports Next Generation High Resolution Formats
Future system upgrade capability is provided with the AVR-681's
6 Channel External Input feature. For next generation high resolution
multi-channel audio formats such as DVD-Audio and SACD, the 6
Channel External Input is equipped with a wideband frequency
response extending to 100 kHz. In addition, the digital inputs support
high resolution 24 bit, 96 kHz stereo PCM soundtracks, available on
selected audiophile DVD music releases.
■ "S" and Composite Video Switching
Three sets of composite video (coaxial jack) and three sets of "S"-
video terminals are provided (TV, VCR and DVD inputs), allowing a
full complement of video sources to be switched and routed to the
monitor TV.
■ Front A/B Speaker Terminals
Two sets of speaker terminals are provided for the main (left and
right) speakers. This allows the use of a second pair of stereo speakers
in another room in the home.
AVR-681
Dolby Digital and DTS A/V Receiver
N E W M O D E L I N F O R M A T I O N