Denon DRA-755 Manual

The Denon DRA-755 is a high-performance stereo receiver designed for audiophiles. It features advanced audio processing, multiple input options, and a robust power output to deliver exceptional sound quality. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Playing Audio Media 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-fidelity audio processing, multiple input options, remote control, headphone output, and adjustable sound settings.

Feature	Description
Multiple Inputs	Supports various audio sources including CD, phono, and digital inputs.
Power Output	High power output for driving speakers effectively.
Remote Control	Convenient control from a distance.
Headphone Output	For private listening.
Adjustable Sound Settings	Customize audio output to your preference.

Installation

Unpack and inspect contents. Place on a stable surface.

Connect speakers: Use appropriate speaker wire connections.
Connect audio sources: Use RCA or optical cables for input sources.
Plug into AC power.

WARNING! Ensure all connections are secure to avoid damage.

First-Time Setup

Power on the receiver; follow on-screen prompts.

Select input source: Use the INPUT button to cycle through available sources.
Adjust volume: Use the volume knob or remote control.
Set audio preferences: Access the menu for sound settings.

CAUTION! Ensure stable surface; avoid overheating.

Specifications

Power Output: 75 watts per channel.
Audio Inputs: 4 x RCA, 1 x Optical, 1 x Coaxial.
Frequency Response: 20 Hz - 20 kHz.
Signal-to-Noise Ratio: 100 dB.
Dimensions: 17.1 x 5.5 x 13.4 inches.
Weight: 20 lbs.
Power Supply: 120V AC, 60Hz.

Controls and Settings

Access settings via the front panel or remote control. Key controls include POWER, INPUT, VOLUME, and TONE adjustments.

Remote: POWER, INPUT, VOLUME, MUTE, and TONE controls.

Connecting Devices

Connect audio sources using RCA or optical cables. Ensure all devices are powered off before connecting.

Match cables to ports (e.g., RCA to audio input).
Power on the receiver and connected devices.
Select input via the INPUT button.

Tip: Keep cables organized to avoid tangling.

Playing Audio Media

Supports various audio formats including CD and digital audio.

Insert media: Load CD or connect digital source.
Play: Press PLAY; select tracks using numeric buttons.
Stop: Press STOP to halt playback.
Skip: Use NEXT/PREV buttons for track navigation.

WARNING! Do not force media into the player.

Accessibility Features

Closed Captions: Enable in settings for compatible media.

Care & Cleaning

Unplug before cleaning. Use a dry cloth only; no liquids or aerosols.

CAUTION! Avoid spraying liquids near the device.

Regulatory Information

This device complies with FCC regulations for residential use. For support, visit www.denon.com or contact customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Remote does not work	Obstacles/batteries	Remove obstacles; replace batteries.
No sound	Connections/mute	Check connections; ensure mute is off.
Distorted sound	Settings	Adjust tone settings.
Input not recognized	Connections	Ensure correct input is selected.

Reset: Menu > System > Reset if available.

Service: Contact customer support for assistance.