DRA-685 Denon Receiver

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DRA-685

Denon DRA-685 Denon AM/FM/FM Stereo Receiver
$429
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AM/FM/FM Stereo Receiver
100 + 100 watts RMS, 20Hz-20kHz >.05% THD • Record output selector
Pre-out and main-in jacks
Banana plug compatible speaker terminals
Dual Zone Multi-Room, with pre-outs for second zone and second dedicated (supplied) IR remote control • Video/audio signal mixing (simulcast)
Auto preset FM memory
Loudness function
Tone defeat
IR input for external IR repeater
A/B speaker switching
Composite video switching for A/V sources
40 station random AM/FM tuner memory
Motorized analog volume control

Superb Stereo Sound and Multi-room Entertainment Convenience

Featuring a multi-room audio function, along with video selection and high power, the DRA-685 serves as the heart of a stereo music system while providing stereo sound for stereo video sources. With a prodigious 100 watts of power per channel, the DRA-685 can easily drive virtually any modern loudspeaker system with authority and clarity. A full suite of convenience and switching functions makes the DRA-685 an indispensable choice for a well equipped music system.

Signal Level Divided Construction (SLDC)

The circuit handling low-level and high-level signals have been divided into separate blocks to ensure that influences from these signals on each other are held to an absolute minimum. This new chassis design in the DRA-685 is called the Signal Level Divided Construction (SLDC). Signals for output are cleaner than before, allowing them to be repro-duced with even greater fidelity and clarity.

High-Quality Power Amplifier Section

100 W + 100 W (8 ohms, 20 Hz - 20 kHz, 0.05 %) Providing 100 watts per channel, into 8 ohms, from 20 Hz to 20 kHz, with no more than .05% total harmonic distortion, the DRA-685 provides separates class audio performance. Together, these components provide superb low impedance drive capability with tremendous dynamic reserve capacity. High speed, wideband discrete power transistors provide delicacy and impact, ideally suited to the needs of the highest quality analog and digital sources.

Multi Source Function

The DRA-685’s Multi Source function lets you enjoy two different pro-grams in two different rooms. For example, listen to the CD player in the main room, while another family member listens to the tuner in another room in the home. Dedicated multi-room output jacks, with variable volume level adjustment via remote control, are for connection to powered sec-ond zone speakers or a second zone amplifier.

Room-to-Room Remote Control

External remote control equipment, including IR re-transmitters and IR remote receivers, such as Denon’s RC-616, 617S, 617W, and 618 devices, can be connected to the IR remote input and output terminals.

Integral System (IS) Remote Controller (RC-872)

The DRA-685 is provided with a pre-learned remote control, that con-tains codes for other Denon components, along with codes for other products from other manufacturers, such as DVD, VCR, TV, etc.

Second Zone Remote Controller (RC-873)

In addition to the main remote, the DRA-685 is also supplied with another remote that is customized for the second zone mutli-room functions. It is equipped with second zone source selection, recalling preset radio stations, adjusting the volume, and other functions that can be controlled from the second zone room.

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.

Record Out Selector

Let’s you listen to one source (example: Tuner), while recording another source (example: CD). Ideal for making unattended tape copies.

Video Terminals

Stereo video sources, such as hi-fi VCR, stereo TV, and DVD can all be easily connected to the DRA-685’s VDP, VCR and Video Aux terminals.

Video Select Function

Allows you to select a video source, and then select an alternate audio input source, ideal for simulcasting, as well as watching TV sports programs while listening to radio commmentary.

40-Station AM/FM Random Preset Memory Tuning

Auto Preset Memory

FM stations can be searched by the tuner, and automatically stored in the preset memory up to 40 stations, ideal for locales with many FM stations.

Sophisticated Tuning Circuit Design

Thanks to the PLL circuit design, reception drift is a thing of the past. The DRA-685 also has a 4-pole varactor diode in its front end to guar-antee accurate input of station frequencies.

Auto scanning of radio frequency bands

Fast up/down manual tuning

Manual step tuning

Last-channel-tuned memory

Other Useful Features

Loudness Function
Pre-Output and Main-Input Jacks
Bass and Treble Tone Controls
Tone Defeat
Muting Function via remote controller
Motor-driven Volume Control
A/B Speaker Switching
Last Function Memory
Switched AC Outlets

Specifications

Power Amplifier Section
- Rated output ............................... 100 W + 100 W (8 ohms, 20Hz - 20kHz, THD 0.05 %)
- Total hamonic distortion ........ 0.009 % (-3 dB at rated output, 8 ohms)
- Frequency response.............. 10 Hz - 50 kHz �1.5 dB (at 1 W)

Preamplifier Section

Input sensitivity/Impedance
- PHONO(MM) ................. 3.0 mV/47 kohm
- CD, TAPE, VDP, VCR, V-AUX .................. 200 mV/47 kohms
- RIAA deviation .................... �0.5 dB (20 Hz - 20 kHz)
- Tone control ........................ Treble: �10 dB at 10 kHz
- Bass: �10 dB at 100 Hz

FM Section
- Tuning frequency range ...... 87.5 - 107.9 MHz
- Usable sensitivity ................ 1.4 �V (14.2 dBf)
- S/N 50 dB sensitivity ........... Mono: 2.8 �V (20.2 dBf) (�V at 75 ohms) Stereo: 23 �V (38.5 dBf)
- Signal-to-noise ratio (A-weighting) .. Mono: 80 dB, Stereo: 75 dB
- Total hamonic distortion ..................... Mono: 0.15 %, Stereo: 0.3 %
- Capture ratio....................................... 1.5 dB
- AM suppression.................................. 50 dB
- Image rejection ................................... 70 dB
- Effective selectivity ............................. 55 dB (�400 kHz)
- Freqency 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 �V

General
- Power supply ................................... AC 120 V, 60 Hz
- Dimensions...................................... 434 (W) x 171 (H) x 416 (D) mm 17.1" (W) x 6.7" (H) x 16.4" (D)
- Weight ............................................. 10.0 kg, 22.0 lbs