Denon DHT684DVD User Manual download pdf

DHT-684DVD Home Theater Package with 7 Speakers and DVD Video Player

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DENON's Basic Design for High-Quality Sound Reproduction

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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 chas-

sis. In addition, a cushioning material has been placed around

the core of the transformer to minimize interference on the sig-

nal and enable more faithful reproduction of the original sound.

The AVR-684 inherits these low-noise design from higher-end

models not to mention the use of short ring.

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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 per-

cussion or other musical instruments.

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Large Aluminum Extruded Heatsink

DENON uses large heatsink made of extruded aluminum. They

have been placed in a design that ensures mostly uniform tem-

peratures 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.

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Fully Discrete, Equal Power Six Amplifier Channels, 75 Watts Each

Front 75 W + 75 W (8 ohms, 20 Hz - 20 kHz, 0.08 % THD)

Center 75 W (8 ohms, 20 Hz - 20 kHz, 0.08 % THD)

Surround 75 W + 75 W (8 ohms, 20 Hz - 20 kHz, 0.08 % THD)

Surround Back 75 W (8 ohms, 20 Hz - 20 kHz, 0.08 % THD)

For optimum Dolby Digital and DTS reproduction, the AVR-684 features high quality, wideband

audio amplification, providing 75 watts power output for each of the six main channels. A

large capacity power supply includes a high current power transformer along with discrete

power output devices on all six amplifier channels for highest dynamic range and superb

reproduction clarity.

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32 bit High Quality DSP

A-high -quality 32-bit DSP “MELODY 32” from Analog Devices has been used in the DSP

processor, placing the AVR-684 at a higher rank than other models of this class in its ability to

accurately decode and reproduce the superior quality of surround sources.

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24 bit, 96 kHz High Resolution D/A Conversion

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Wide-Range Play Capability for DVD-Audio and Super Audio CD

The power amp circuits of the AVR-684 have been meticulously designed to reproduce the excep-

tionally high sound quality with wide frequency response from 10 Hz to 100 kHz.

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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-684 features a Cinema Equalizer to cor-

rect 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)

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Personal Memory Plus, for Easy Operation

The AVR-684 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.

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Acclaimed Customization Feature

As with all of DENON’s high-grade A/V receiver, the AVR-684 lets you adjust delay times and

other parameters so that you can customize the performance of the AVR-684 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.

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Multi-Function Preset Memory Remote Controller with Glo-keys

The supplied system remote controller features a large selection of remote control codes to

operate other components in your home theater system, including codes for selected

DENON models, along with remote control codes from other manufacturers. The most fre-

quently used buttons are laid out separately for TV, VCR and DVD, for maximum ease-of-use.

* Remote control codes cannot be used with the products of other

manufacturers and some DENON products.

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DTS-ES (Discrete 6.1 / Matrix 6.1) and DTS NEO:6 Decoder

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Dolby Digital, Dolby Pro Logic II and Dolby Digital EX Decoder

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6 Channel Stereo Mode

DENON's popular 6 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 six speakers. This 6

Channel Stereo mode was originally developed by DENON to enhance music lovers' enjoy-

ment of home theater ambience.

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Virtual Surround Mode

Surround yourself with sensational 3D soundfield envelopment using just one pair of speak-

ers. The AVR-684's Virtual Surround mode

provides a dramatic psychoacoustic surround sound effect, using two speakers with all

sources.

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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 / 6 Channel Stereo 5. Video Game

2. Virtual Surround 6. Matrix

3. Rock Arena 7. Mono Movie

4. Jazz Club

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Adjustable Cross-Over Switching

The AVR-684 supports subwoofer cross-over switching with a choice of 4 cross-over fre-

quencies: 80, 100, 120 and 150. This lets you more accurately match the performance

characteristics of the subwoofer to the main speaker system.

DHT-684DVD

Home Theater Package with 7 Speakers and DVD Video Player

NEW MODEL INFORMATION

SC-U64S/SC-U64C/DSW-80

*The speaker system shown is not available in some markets.

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DHT-684DVD 1

Summary of Contents

Page 1 - DHT-684DVD

DHT-684DVD Home Theater Package with 7 Speakers and DVD Video Player DENON's Basic Design for High-Quality Sound Reproduction• Power Transformer

Page 2

Digital Optical Output Front Panel Inputs (with Optical Input) Front A/B Speaker Terminals High-grade Speaker Terminals (except speakers B) Frequency

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Denon DHT684DVD User Manual

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