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DRA-685P AM/FM Stereo Receiver

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Datasheet (PDF 396.6 KB)
Owner's Manual (PDF 1.63 MB)
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Features

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-685P is called the Signal Level Divided Construction (SLDC). Signals for output are cleaner than before, allowing them to be reproduced 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-685P 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-685P’s Multi Source function lets you enjoy two different programs 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 second 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-685P is provided with a pre-learned remote control, that contains codes for other Denon components, along with codes for products from other manufacturers, such as DVD, VCR, TV, etc.

Second Zone Remote Controller (RC-873)

In addition to the main remote, the DRA-685P is also supplied with another remote that is customized for the second zone multi-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-685P’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 commentary.

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 guarantee 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 harmonic 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 kohms

    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 µV (14.2 dBf)

  S/N 50 dB sensitivity (µV at 75 ohms)

Mono: 2.8 µV (20.2 dBf)
Stereo:23 µV (38.5 dBf)

  Signal-to-noise ratio (A-weighting)

Mono: 80 dB, Stereo: 75 dB

  Total harmonic 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)

  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

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

  Accessory

4U rack mount kit

 

* Design and specifications are subject to change without notice.

D&M Professional

A Division of Marantz America, Inc.

1100 Maplewood Drive

Itasca, IL 60143

Phone: 630.741.0330

Fax: 630.741.0652