Denon AVC-A1SR User Manual download pdf (Page 4)

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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/A configuration 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

1 2 3 4 5 6 7 8

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Denon AVC-A1SR User Manual Page 4

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