Inputs And Outputs Notes
DDSC-Digital (Dynamic Discrete
Surround Circuit): The Denon AVR-2805 is equipped with the latest technology
in surround audio performance, DDSC-Digital, featuring Analog Devices Hammerhead
SHARC 32-bit floating point 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.
Dolby Pro Logic IIx: Dolby Pro
Logic IIx furthers the matrix decoding of Dolby Pro Logic II to decode audio
signals recorded on two channels into up to 7.1 playback channels, including the
surround back channel. Dolby Pro Logic IIx also allows 5.1-channel sources to be
played in up to 7.1 channels. The mode can be selected according to the source.
There are 3 Dolby Pro Logic IIx modes: Music, Cinema and Game. (The Game mode is
for 2-channel sources only.)
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
- Dolby Pro Logic
- Dolby Pro Logic IIx
- Game (2-channel sources only)
- DTS Digital
- DTS-ES Extended
- DTS Neo:6
- DTS 96/24
- Denon Original Surround Modes (DSP)
- Wide Screen
- Super Stadium
- Rock Arena
- Jazz Club
- Classic Concert
- Mono Movie
- Video game
- 5CH/7CH Stereo
receiver has a personal memorize 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.
Setting: When watching a DVD or other video source, the picture on the
monitor may seem delayed with respect to the sound. You can delay the sound from
0 to 200ms in order to synchronize the sound with the picture. The audio delay
setting is stored separately for each input source.
are three 2-channel playback modes exclusively for music:
- Pure Direct:
plays back music with an extremely high level of sound quality. All the
video-related circuits and the front panel display are turned off so that music signals are reproduced
with high quality. When an analog mode is selected, the digital processing
circuits are also turned off to achieve the highest purity.
- Direct: audio
signals bypass the tone control circuits, and are transmitted directly,
resulting in good quality sound.
allows you to adjust the tone to achieve the desired sound while watching
Processing: The receiver includes Denon's
renowned 24-bit ALPHA processing technology that
reproduces digital signals in a waveform with the
smoothness of analog signals. This technology thoroughly suppresses
annoying quantization distortion and faithfully reproduces
the delicate musical details of low-level signals.
AL24 processing works in 2-channel Stereo, Direct,
Pure Direct modes.
24-Bit, 192 kHz D/A
The AVR-2805 uses highly accurate Analog Devices Digital-to-Analog
converters, two for each channel, for a total of 16. The
192kHz sampling and 24-bit word length capabilities of the DACs allows you to
play high-resolution recordings and hear the increased clarity, detail and
dynamic range of those recordings.
Auto Setup/Room EQ:
The receiver is equipped with an Auto Setup and Room Equalization function, to
achieve the most ideal sound field for your room. With the supplied DM-S305
microphone placed at the listening position, the 32-point DSP
automatically and accurately analyzes, adjusts and sets the speaker
configurations of your system. The receiver also analyzes and adjusts the
frequency response of the speakers to the room with an 8-band parametric
equalizer. You can also manually adjust the 8-band equalizer from -6dB to +6dB
in 0.5dB steps at 63Hz, 125Hz, 250Hz, 500Hz, 1kHz, 2kHz, 4kHz and 8kHz.
Room EQ Memory: Once the Auto
Setup has been performed, the receiver can memorize a maximum of 4 equalizing
curves called "normal," "front," "flat," and "manual," allowing you to recall
your favorite EQ curve without having to run Auto Setup each time. You can also
"assign" an EQ curve for each surround mode, plus select the EQ to be on or off
for the Pure Direct/Direct modes.
can adjust the cutoff frequency of the subwoofer output from 40Hz, 60Hz, 80Hz,
100Hz, 120Hz, 150Hz, 200Hz or 250Hz.
can set the amount of attenuation for the audio muting circuit at -40dB or
-20dB from the present volume level or totally mute the volume.
Dual Source/Dual Zone Capability:
The AVR-2805 allows you to enjoy one audio/video program source in a second
room while another source is playing in the main room. The Zone 2 output
includes a composite video output and a variable stereo pre-amp output that can
send a signal to an amplifier or a set of powered speakers located in another
room. If the main room is not configured for 7.1-channel surround, the Power Amp
Assign function allows you to assign the two Surround Back amplifier channels to
Zone 2 to drive a pair of speakers, and still provide 5 discrete amplifier
channels to drive all speakers in a 5.1-channel surround configuration. The
volume of the Zone 2 output is variable, controlled by the receiver's remote
Video Up Conversion:
The receiver's video transcoding technology converts composite and S-Video
signals to component video signals and output to the monitor. This allows you to
enjoy the highest picture quality from all video gear connected to the receiver.
In addition, composite video signals are up converted to S-Video and S-Video
signals are down converted to composite for connecting convenience.
HD Video Switching: The
unit has three assignable component video inputs and a high-performance relay
that is used to switch the signals. The switcher has an extended bandwidth range
of up to 100 MHz, making it compatible with progressive DVD (480p) and HDTV
formats (720p and 1080i).
AVR-2805 comes with a remote control which 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
brands of products, including cable boxes, CD players, TVs, Cassette decks,
Laserdisc, DBS, VCRs, CD recorders, Minidiscs, DVD players and DVD recorders.
The RC-974 is also a learning remote, and has illuminating source buttons and
glow-in-the-dark volume and transport (Stop, Play, Pause, Rev, FFwd, etc)
The remote control is equipped with "System
Call" (or macro) functions, allowing a series of remote control signals to be
transmitted by pressing a single button. Up to 10 sequential signals can be
stored in each of the 2 System Call buttons.
And Outputs Notes
AVR-2805 features 5 optical digital (Toslink) inputs and 2 coaxial digital
inputs. Each input can be assigned to any of the different input sources except
Phono and Tuner. Optical Digital Inputs 3 and 4 also have corresponding Optical
Digital outputs for use with a CD, MD or other digital recording device.
Multi-Channel Input: The
AVR-2805 is equipped with a 7.1-channel input to accommodate present and future
multi-channel formats. These inputs are rated up to 100kHz for high resolution
audio sources such as SACD or DVD-Audio.
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 and they are positioned too far apart to be used with dual
The AVR-2805 includes an
RS-232C port for connection to external whole-house
control systems from companies such as AMX, Crestron, and others,
and provides a software/firmware upgrade pathway.
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
12V Trigger Outputs: The
AVR-2805 has a 2 mini-jack outputs to send a 12-Volt DC "turn-on"
signal to another component that accepts a 12V trigger, such as a power
amplifier. These trigger outputs can be assigned to the Main Zone, Zone 2 or
Front Panel Inputs: This
unit features stereo audio, composite video and S-Video, and an optical digital
input on the front panel for conveniently connecting a game console or
camcorder. The input for the DM-S305 microphone is also located on the front panel. These inputs are covered by a removable panel.
The receiver has a standard 1/4" headphone jack on the front panel,
positioned behind the fold-down panel.