Denon DRA-775RD Manuel utilisateur

Multi Room Music Entertainment System / High-Quality Power Amplifier /

Pure Current Power Supply / Radio Data System (RDS)

AM/FM STEREO RECEIVER

DRA-775RD

An Innovative Receiver That Does Just About

Everything, Including Multi Room Entertainment

The DENON DRA-775RD receiver is a truly versatile component meeting today's

increasingly complex A/V and pure audio system requirements. Not only does it deliv-

er reliable high power and ensure high-quality sound, it also includes video input and

output capabilities as well as DENON'S innovative Multi Room Music Entertainment

System and easy-to-tune RDS broadcast reception capabilities. The Multi Room Music

Entertainment System lets you set up an amp and speakers in a separate room, con-

nect them to the DRA-775RD, and enjoy program sources independently of the listen-

er in the main room. The remarkable DRA-775RD deserves a close look and a listen as

the best possible solution for your audio/video system needs.

The First Name

In Digital Audio

Powerful, Versatile Amplifier

High-Quality Power Amplifier

High-speed, high-power transistors employed in a rational circuit configuration reflect DENON'S advanced amplifier

technology and ensure a very hefty, clean power output.

Pure Current Power Supply

The DRA-775RD is endowed with the same type of power supply circuitry as DENON'S best integrated amplifiers.

Known as the Pure Current Power Supply, it incorporates DENON'S original circuit and high-capacity transformer to sup-

press dynamic IM distortion by 60 dB, yielding high dynamic power.

Low-Impedance Speaker Drive

The power supply and power amplifier stage are designed to respond even to sudden dips in speaker impedance, so

that the speaker drive remains stable under all load conditions.

Discrete Chassis Construction

The signal path in the DRA-775RD is kept as short as possible from input to output. The power amplifier section, which

handles high-level signals, employs separate heat sinks in a totally separate symmetrical layout for the left and right

channels. Power supply circuitry is located close to the respective destinations to further prevent signal losses and elimi-

nate interference.

Frequency Synthesis Tuning

RDS Tuning System

The DRA-775RD offers four RDS features: RDS (station) Search, Program Type (PTY), Traffic Program Identification (TP),

and Radio Text Message (RT).

RDS Search lets you search for stations currently broadcasting RDS signals. PTY lets you select from among 22 types of

music and programs you want to listen to-such as Classical. Jazz, Rock. Top 40. News, Sports-and a station broadcasting

the selected type is automatically tuned in. TP, when turned ON, automatically tunes to a station which is about to

broadcast a traffic report. And RT receives and displays a message of up to 64 characters that the station tuned in is cur-

rently transmitting.

AM/FM 40 Station Random Preset Memory Tuning

The DRA-775RD offers random preset and recall of up to 40 stations. Tuning is as simple as pressing a button.

Auto Preset Memory

A maximum of 40 FM stations can be searched by the tuner and automatically stored into the preset memory. This fea-

ture is useful when you do not know all the frequencies of local stations.

Sophisticated Tuning Circuit Design

Thanks to the use of large-capacity microprocessor ICs in the tuning section, reception drift is a thing of the past. The

DRA-775RD also has a 3-pole varactor diode in its front end to guarantee accurate input of station frequencies.

• Improved AM Reception

• Large New Fluorescent Display

• Additional Conveniences

• Auto scanning of radio frequency bands

• Fast up/down manual tuning

• Manual step tuning

• Last-channel-tuned memory

The First Name

In Digital Audio

DRA-775RD

Your Audio/Video Control Center

Video and VCR Terminals

Audio systems can be easily upgraded to include versatile reproduction from video as well as audio sources, because the

DRA-775RD is also equipped with VDP, VCR and Video Aux input and output terminals.

Video Select Switch

The DRA-775RD's Video Select function lets you select the desired video sources independently on the audio sources.

Easy Simulcast Copy

This feature not only permits reception and recording of FM/TV simulcast programs onto videotape, but it can also be

used to combine, for example, the sound from a CD with the picture from a video disc.

• Pre-Out, Main-In Jacks • Rec Out Selector • 3-Way Speaker Terminals • Loudness Switch

• Bass & Treble control • Tone defeat Switch • Muting Switch (Remote only)

Multi Room Music Entertainment System

Multi Source Function

The DRA-775RD's Multi Source function lets you select different audio or video sources for viewing or listening Different

sources can thus be enjoyed in the main room and the second room simultaneously. This novel feature gives you consid-

erable flexibility when setting up and enjoying your system with the DRA-775RD. The output level, adjustable by the

remote commander, is as much as 1V, enough to operate the optional power amplifier placed in a second room.

Equipped for Room-to-Room Remote Control

Since A-B switching of speakers is possible by remote control, the DRA-775RD can be used in configuring a room-to-

room remote control system by adding the optional RC-616/617S/617W/618. And because direct terminals for the RC-

616 (IF Re-transmitter) are provided on the DRA-775RD, audio systems in locations that do not easily receive infrared

based emissions can also be reliably operated.

By combining Room-to-Room control and the Multi Source function, you can select an audio or video source as well as

adjust the volume level and tune in a broadcast station, all independently from a second room, even while the listener in

the main room is enjoying a different program source.

Remote Control Functions

Integral System (IS) Remote Control Unit

The DRA-775RD includes Integral System (IS) Remote Control and it commands not only the receiver but can also oper-

ate the main functions of a DENON CD player and a cassette deck when they are included in the system.

Multi Source Remote Control Unit

In addition to the Integral System Remote Control, the DRA-775RD comes with the Multi Source Remote Control Unit,

which operates the Multi Source Output and commands the receiver to select the function, tune the radio, and adjust

the volume level from a second room.

• Switched AC Outlets • Motor-Driven Volume Control • A-B Speaker Switching • Last Function Memory

The First Name

In Digital Audio

INFRARED

SENSOR

RC-617S MULTI SOURCE AUDIO OUT

MULTI SOURCE VIDEO OUT

SPEAKER

SYSTEM-A

SPEAKER

SYSTEM-A

SPEAKER

SPEAKER SPEAKER

SPEAKER SYSTEM-B

MAIN LISTENING ROOM

SPEAKER SYSTEM-B

RC-617W

SPEAKER AMPLIFIER TV

SPEAKER

SUPPLEMENT

EMITTER

RC-618

ROOM TO ROOM

SUB ROOM 1

SUB ROOM 2 INFRARED

RETRANSMITTER

RC-616

RECEIVER

Multi Room Music Entertainment System

RC-616

RC-617S

RC-617W

RC-618

DRA-775RD

The First Name

In Digital Audio

DRA-775RD

Power Amplifier Section

Rated output 90W + 90W

(8 ohms, 20 Hz - 20 kHz, THD 0.05 %)

Total harmonic distortion 0.009%(-3dB at rated output, 8 ohms)

Power bandwidth 5 Hz - 40 kHz (8 ohms, THD 0.15%)

Frequency response 20 Hz - 50 kHz ± 1.5 dB (at 1W)

Output impedance 0.1ohm (1 kHz)

Preamplifier Section

Input sensitivity/ Impedance PHONO (MM) : 2.5 mV/47 kohms

CD, TAPE, VDP, VCR, V-AUX :

150 mV/ 47 kohms

Max. input level.. PHONO MM 150 mV/1 kHz

RIAA deviation 20 Hz - 20 kHz ± 0.5 dB

Signal-to-noise ratio (A-weighted) PHONO MM 86 dB (at 5mV input)

CD, TAPE, VDP, VCR, V-AUX : 100 dB

Tone control Bass 100 Hz ± 10 dB

Treble 10 kHz ± 10 dB

Loudness control 100 Hz : + 10 dB, 10 kHz : + 7 dB

(at LOUDNESS “on” position)

Video Section

Input Terminal VDP, VCR, V-AUX : 1 Vp-p / 75 ohms

Output terminal VCR, MONITOR, MULTI SOURCE : 1 Vp-p / 75 ohms

FM Section

Tuning frequency range 87.5 - 107.9 MHz

Usable sensitivity 0.9 µV (10.3 dBf)

S/N 50 dB sensitivity (µV at 75 ohms) Mono : 1.6 µV (15.3 dBf)

Stereo : 23 µV (38.5 dBf)

Signal-to-noise ratio (A-weighting) Mono : 82 dB, Stereo : 78 dB

Total harmonic distortion Mono : 0.1%, Stereo : 0.15%

Capture ratio 1.5 dB

AM suppression 50 dB

Image rejection 42 dB

Effective selectivity 55 dB (± 400 kHz)

Frequency response 30 Hz - 15 kHz, +0.2, -1.5 dB

Stereo separation 40 dB (1 kHz)

AM Section

Tuning frequency range 520 - 1710 kHz

Usable sensitivity 18 µV

Signal-to-noise ratio 55 dB

General

Power supply, Power consumption AC 120 V, 60 Hz, 3.4 A

Dimensions, Weight 434 (W) x 161 (H) x 416 (D) mm, 11.5 kg

17.1”(W) x 6.3” (H) x 16.4” (D), 25.0 lbs

Specifications

DRA-775RD

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