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High-quality Pure Audio Chassis Construction
By positioning the power transformer at the center of the unit, the
AVC-A1SR is equipped with a chassis construction in which unwanted
vibrations are suppressed and excess vented heat is minimized. The digital
circuits have been placed in the lower center of the unit and are completely
shielded in their own enclosure, and the power amp circuits are located
on the left and right sides. In addition, the analog circuitry has been
isolated from the video circuitry to completely eliminate any mutual
interference. The total chassis design preserves the purity of the audio
signal from input to output to give your home theater a clean yet
powerful sound, alive with all the details of the original recording.
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Wide-Range Play Capability for DVD-Audio or SACD
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New DDSC-Digital Processor,
for High-quality Sound Reproduction
1. 24-bit, 192-kHz Analog-to-Digital Conversion
The AVC-A1SR is capable of 24-bit, 96-kHz or 192-kHz A/D conversion,
improving S/N and dynamic range by approximately 10 dB. A/D conversion
and DSP processing (*1) of external input signals (max. 8 channels) is
also possible. The AVC-A1SR is thus able to perform bass management
and delay processing on DVD-Audio signals. THX post processing is also
possible with this DSP.
(*1) It is possible to select whether signals are to be processed by the DSP or output as an analog signal.
2. 24-bit, 192-kHz Digital Interface Receiver
The AVC-A1SR employs a total of four 24-bit, 192-kHz digital interface
receivers, one for every two channels, enabling multi-channel digital
input through Denon Digital Link or external digital input to perform at
optimum potential.
3. New SHARC Dual 32-bit Floating Point DSPs
The AVC-A1SR uses a dual configuration of new HammerHead SHARC
21161 32-bit floating point DSPs from Analog Devices.
4. 24-bit, 192-kHz All-channels Differential-mode D/A Conversion
For optimum fidelity and transparency, the AVC-A1SR features the
latest Burr-Brown PCM-1738E high resolution 24-bit, 192 kHz DACs,
in an eight-channel, differential configuration (2-DAC channels per
each audio channel). These DACs satisfy DSD specifications.
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DENON’s Latest Surround Technology
Faithfully Recreates the Surround
Sound Produced at the Dubbing Stage.
DTS-ES Discrete 6.1 / DTS-ES Matrix 6.1 / DTS NEO:6 / DTS 96/24
Dolby Digital / Dolby Digital EX / Dolby Pro Logic II
THX Surround EX / THX Cinema / THX Ultra2 Cinema / THX MusicMode
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DTS-ES Discrete 6.1 + THX Post Processing
By adding THX Post Processing to the localized sound and spatial
expression of DTS-ES Discrete 6.1, your listening room is almost
completely transformed into a full-featured cinema.
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THX Ultra2 Certified
7-channel High Power Amplifier
The AVC-A1SR features an equal power 7-channel amplifier section, with
identical amplifier design on all 7 channels. The Front (L/R), Center, and
Surround (L/R) channels are driven by 225 watts of power each, and the
two Surround Back channels, used for 6.1-channel DTS-ES and DOLBY
DIGITAL EX sources, are also each powered with 225 watts (all channels
rated into 6 ohms).
High current, low impedance drive-capable discrete power transistors are
used for each channel, and the high power output of 225 watts per
channel (into 6 ohms) ensures that the speakers are driven with ample
foundation to reproduce movie
and music soundtracks with
superb fidelity and the widest
dynamic range.
The AVC-A1SR proudly bears the
THX Ultra2 logo, certifying that it
satisfies the newest certification
standards of Lucasfilm Ltd.,
governing performance, features,
sound quality, power, stability into
low-impedance speaker loads, and
ease of operation.
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DTS NEO:6
DTS NEO:6 lets you enjoy 2-channel analog, PCM, and Dolby Digital
2-channel sources in full 6.1-channel surround sound.
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DTS 96/24 5.1 Decoding for DVD-Video
High-quality 96-kHz, 24-bit (96/24) sound playback from ordinary DVD-Video
recordings is limited to only two channels and there are also limitations
on the picture. DVD-Video recorded in DTS 96/24, however, allows
high-quality 5.1-channel sound playback in full-quality, full-motion video.
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Dolby Pro Logic II
With the AVC-A1SR, you can use Dolby Pro Logic II to do more than
just enjoy your 2-channel analog, PCM, and Dolby Digital 2-channel
sources in surround sound ambiance. You can also add the soundfield
effects of THX Post Processing to Dolby Pro Logic II in Movie mode(*2)
to brilliantly enhance the excitement of 2-channel A/V sources.
(*2) On Denon A/V amplifiers, this Movie mode is displayed as “MODE CINEMA”.
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Dolby Headphone
Since sound from a headphone enters the ears directly, it can cause
fatigue during extended listening sessions. Dolby Headphone replicates
the effects of sound from speakers in a room by localizing the sound
source at the front or the side as though the listener were enjoying
3D sound at a movie theater. Dolby Headphone is effective not only
with Dolby Digital or Dolby Pro Logic but with CD and other 2-channel
sources as well. The AVC-A1SR also lets you record signals encoded
with Dolby Headphone to other recorders so that you can enjoy the
effects of Dolby Headphone with a portable MD player or other
device. (This is possible with both analog and digital recordings.)
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5 Channel & 7 Channel Stereo Modes
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Dual Surround Mode Speaker Selection
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Adjustable Cross-Over Switching
The AVC-A1SR supports subwoofer cross-over switching with a choice of
5 cross-over frequencies: 40, 60, 80, 100, and 120 Hz. This lets you more
accurately match the performance characteristics of the subwoofer to the
main speaker system.
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DENON Digital Link
High-grade LPCM 24-bit/96-kHz for 6-channel or 24-bit/192-kHz for
2-channel(*3) digital input is possible when the AVC-A1SR is connected via
a shielded twisted pair (STP) cable to a Denon DVD player that supports
Denon Digital Link. Since Denon Digital Link uses low-voltage differential
signaling (LVDS), transfer capabilities of greater than 1.2 Gbps at a
differential voltage of approximately 0.3 Vpp are possible.
(*3) If a 24-bit, 192-kHz sound source is copyright protected,the DVD player may convert the digital output.
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External Digital Input
For future system expansion, the AVC-A1SR provides external digital
inputs that support multi-channel (6/8-channel PCM) inputs from an
external unit.
Multi-channel digital signal input is possible using a maximum of 4 sets of
coaxial digital inputs.
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Pure Direct Mode, to Deliver Pure Audio Quality
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AL24 Processing Plus
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High-quality Component Video
In/Out Terminals (100-MHz Bandwidth)
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Accurate Signal Transmission
from the Pre-amplifier Section
Parts suitable for high attenuation have been strictly selected for use in
the volume circuit that controls the signal levels of all eight channels.
Since a differential D/Aconfiguration has also been adopted for each
channel, the widest possible dynamic range is secured with mutual
interference effectively suppressed across the entire frequency range.
The pre-amp's gain is varied to match the output level, improving S/N in
the range where the volume is often used. Highly accurate volume
adjustment in variable steps of 0.5 dB in the range of -80 to +18 dB
is possible as well.
Pre Output
Differential
Signal
Input