Marantz SR 18 User Manual

The Marantz SR 18 is a high-performance AV receiver featuring Dolby Digital and DTS decoding, 100 watts per channel (8 ohms, 20Hz-20kHz), 6-channel amplification, multiple audio/video inputs including composite, S-Video, and component video, digital optical/coaxial inputs, AM/FM tuner with 30 presets, preamp outputs, speaker A/B switching, and advanced surround sound processing. 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. Audio Setup and Calibration 8. Remote Control Operation 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with 6-channel amplification, Remote Control, AM/FM antennas, multiple audio/video inputs, preamp outputs, speaker terminals.

Feature	Description
Power output	100W x 6 channels (8 ohms, 20Hz-20kHz)
Audio decoding	Dolby Digital, DTS, Pro Logic
Video inputs	Composite, S-Video, Component video
Digital inputs	Optical and coaxial
Tuner	AM/FM with 30 station presets
Speaker outputs	A/B switching capability
Preamp outputs	For external amplification
Headphone jack	For private listening
Power consumption	400W maximum
Dimensions	17.1" W x 6.4" H x 16.1" D

Installation

Unpack and inspect contents. Place on stable, well-ventilated surface.

Connect speakers: Use speaker wire to connect front, center, and surround speakers to appropriate terminals.
Connect audio sources: Use RCA cables for CD player, tape deck, etc.
Connect video sources: Use composite, S-Video, or component video cables.
Connect antennas: Attach AM loop antenna and FM wire antenna.
Plug into AC power outlet.

WARNING! Ensure proper ventilation; do not block ventilation openings. Use correct speaker impedance.

First-Time Setup

Power on receiver; follow on-screen display or front panel indicators.

Speaker configuration: Set speaker size (large/small) and distance.
Input assignment: Assign digital inputs to appropriate sources.
Tuner setup: Auto-scan and store AM/FM stations.
Surround mode: Select default listening mode (Dolby Digital, DTS, etc.).
Test tones: Use built-in test tones for speaker level calibration.

CAUTION! Turn volume to minimum before powering on to prevent speaker damage.

Specifications

Power Output: 100W x 6 channels (8 ohms, 20Hz-20kHz)
Total Harmonic Distortion: 0.05%
Frequency Response: 20Hz-20kHz (+0.5/-3 dB)
Signal-to-Noise Ratio: 100 dB
Input Sensitivity: 200 mV
Digital Inputs: 2 optical, 2 coaxial
Video Inputs: 4 composite, 3 S-Video, 2 component
Audio Inputs: 6 analog stereo pairs
Power Requirements: 120V AC, 60Hz
Weight: 28.7 lbs (13 kg)

Controls and Settings

Front panel: POWER, VOLUME, INPUT SELECT, SURROUND MODE, TUNER PRESETS, HEADPHONE JACK.

Remote: POWER, INPUT SELECT, VOLUME, MUTE, SURROUND MODE, NUMERIC KEYPAD, TUNER PRESETS, MENU, TEST TONE.

Audio settings: Bass, treble, balance, loudness compensation. Surround settings: Mode selection (Dolby Digital, DTS, Pro Logic), delay settings, channel levels. System settings: Input rename, tuner presets, factory reset. Display: Dimmer settings, OSD on/off.

Connecting Devices

Audio sources: CD player, tape deck, turntable (with phono preamp). Video sources: DVD player, VCR, cable/satellite box. Speakers: Front L/R, center, surround L/R.

Turn off all components before connecting.
Use high-quality cables for best performance.
Match input types (analog/digital) to source outputs.
Select input via INPUT SELECTOR on front panel or remote.

Tip: Keep audio and video cables separated to reduce interference.

Audio Setup and Calibration

Optimize sound for your listening environment.

Speaker distance: Set delay for each speaker based on listening position.
Channel levels: Adjust individual speaker volumes using test tones.
Crossover settings: Set appropriate frequencies for satellite speakers.
Surround modes: Experiment with different modes for various content.
EQ settings: Use tone controls to match room acoustics.
Night mode: Compress dynamic range for late-night listening.

WARNING! Avoid extreme EQ settings that may damage speakers.

Remote Control Operation

Learn remote functions for optimal control.

Device selection: Choose controlled component (receiver, CD, tape, etc.).
Input selection: Switch between audio/video sources.
Surround mode: Cycle through available decoding modes.
Tuner operation: Store and recall radio presets.
Volume control: Master volume and individual channel adjustments.
Sleep timer: Set automatic shut-off.

Note: Replace batteries when remote becomes unresponsive.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth only; avoid chemicals.

Ventilation: Ensure adequate airflow around unit. Connections: Periodically check cable connections. Remote: Clean with dry cloth; replace batteries as needed.

CAUTION! Do not use liquid cleaners; avoid moisture near electrical components.

Regulatory Information

FCC Part 15: Class B digital device compliant. UL listed for safety. Copyright © Marantz America, Inc. Dolby and DTS are registered trademarks. For technical support, contact Marantz customer service at 1-800-270-2744 or visit www.marantz.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet; check fuse.
No sound	Input selection/volume	Verify input selection; check volume level; ensure speakers connected.
Distorted sound	Speaker wires/settings	Check speaker connections; verify impedance matching; reduce volume.
Remote not working	Batteries/obstructions	Replace batteries; ensure clear path to IR sensor; check device selection.
No video	Cable connections/input	Verify video cables; check input selection; try different source.
Tuner issues	Antenna/station strength	Reposition antennas; rescan stations; check antenna connections.

Reset: Hold TUNER PRESET and POWER for 5 seconds to factory reset.

Service: 1-800-270-2744; www.marantz.com