Marantz SR18 Manual

The Marantz SR18 is a high-performance AV receiver featuring Dolby Digital and DTS surround sound processing, 7-channel amplification, multiple audio/video inputs, AM/FM tuner, advanced bass management, room calibration system, multi-zone capability, and comprehensive connectivity options. Below are key sections for setup, operation, features, specifications, and troubleshooting.

Features at a Glance

Key components: 7-channel power amplifier, Dolby Digital/DTS decoder, AM/FM tuner, multi-zone capability, room calibration system, comprehensive input/output connections.

Feature	Description
Power Output	110W per channel (8 ohms, 20Hz-20kHz)
Surround Formats	Dolby Digital, DTS, Dolby Pro Logic
Audio Inputs	6 analog, 3 digital coaxial, 3 digital optical
Video Inputs	4 composite, 3 S-Video, 2 component
Multi-Zone	Zone 2 audio/video output
Tuner	AM/FM with 40 station presets
Bass Management	Adjustable crossover (40-200Hz)
Room Calibration	Auto setup with included microphone
Remote Control	Learning remote with backlight
Display	Fluorescent display with dimmer

Installation

Unpack and inspect contents. Place in well-ventilated area.

1. Connect speakers: Use appropriate gauge speaker wire for each channel.
2. Connect audio sources: Use analog/digital inputs for CD, DVD, etc.
3. Connect video sources: Use composite/S-video/component inputs.
4. Connect TV/monitor: Use monitor output corresponding to main video input.
5. Plug into AC power.

WARNING! Ensure adequate ventilation; do not block vents. Use proper speaker impedance.

First-Time Setup

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

1. Run auto calibration: Connect setup microphone; follow auto setup procedure.
2. Set speaker configuration: Specify size (large/small) and distance.
3. Configure inputs: Assign sources to appropriate input buttons.
4. Set bass management: Configure crossover frequencies for speakers.
5. Tuner setup: Auto-scan and store radio stations.

CAUTION! Disconnect power before making connections. Ensure proper speaker polarity.

Specifications

• Power Output: 110W x 7 (8 ohms, 20Hz-20kHz, 0.08% THD)
• Frequency Response: 10Hz-100kHz (+1/-3dB)
• Signal-to-Noise Ratio: 100dB (line level)
• Total Harmonic Distortion: 0.08% (20Hz-20kHz)
• Input Sensitivity: 200mV (line), 650μV (FM)
• Video Bandwidth: 10MHz (composite/S-video), 30MHz (component)
• Dimensions: 17-3/8" W x 6-3/4" H x 17-1/2" D
• Weight: 41 lbs
• Power Consumption: 650W maximum

Controls and Settings

Front Panel: POWER, INPUT SELECTOR, VOLUME, TONE, HEADPHONE, SETUP.

Remote: POWER, INPUT SELECT, VOLUME, MUTE, SURROUND MODE, TONE, SETUP, numeric keys.

Audio Settings: Bass, Treble, Balance, Loudness, Channel Level. Video Settings: Monitor output selection. Tuner: Preset memory, Auto scan. System: Speaker configuration, Delay time, Crossover, Input assign. Surround Modes: Dolby Digital, DTS, Dolby Pro Logic, Stereo, Direct.

Connecting Devices

Audio: Analog inputs (CD, TAPE, etc.), Digital inputs (coaxial/optical). Video: Composite, S-Video, Component. Multi-zone: Zone 2 outputs.

1. Turn off receiver and components before connecting.
2. Match cable types to appropriate inputs.
3. Use digital connections for best audio quality.
4. Assign inputs using input assign function.

Tip: Use high-quality cables for best performance. Keep audio/video cables separated.

Audio Setup

Advanced audio configuration for optimal sound quality.

1. Speaker Distance: Set delay times for each channel (0.1ms steps).
2. Channel Level: Adjust individual channel volumes using test tone.
3. Crossover: Set bass management crossover frequency (40-200Hz).
4. Surround Modes: Select appropriate mode for source material.
5. Tone Controls: Adjust bass/treble to room acoustics.
6. Loudness: Compensate for low-volume listening.

WARNING! Avoid extreme volume levels that could damage speakers or hearing.

Multi-Zone Operation

Zone 2 capability for second room audio/video.

1. Connect Zone 2 speakers to dedicated terminals.
2. Select Zone 2 source using remote or front panel.
3. Adjust Zone 2 volume independently.
4. Zone 2 can play different source than main zone.

Note: Zone 2 operation may limit main zone source options.

Care & Maintenance

Unplug before cleaning. Use soft dry cloth; avoid chemicals. Keep vents clear of dust.

CAUTION! Do not use liquid cleaners. Service by qualified personnel only.

Regulatory Information

FCC Part 15 Class B compliant. UL listed. Copyright © Marantz America. For support, contact Marantz Customer Service at 1-800-270-2753 or visit www.marantz.com. Manufactured under license from Dolby Laboratories and DTS.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/outlet	Check power connection; try different outlet; check fuse.
No sound	Speaker connections/mute	Verify speaker wires; check mute status; confirm input selection.
No video	Input/monitor settings	Check video connections; verify monitor output setting.
Remote not working	Batteries/obstructions	Replace batteries; ensure clear path to sensor; check mode.
Overheating	Ventilation	Ensure adequate ventilation; clear vents; reduce volume.
Distorted sound	Speaker impedance/volume	Check speaker impedance; reduce volume; verify source quality.

Reset: Main power off then on; full reset via setup menu if needed.

Service: 1-800-270-2753; www.marantz.com