Marantz DAC1 Manual

The Marantz DAC1 is a high-performance digital-to-analog converter featuring advanced audio processing, multiple digital inputs including coaxial, optical, and USB, high-resolution audio support up to 192kHz/24-bit, premium build quality, remote control operation, and various audio enhancement features. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: High-quality DAC chipset, multiple digital inputs, analog outputs, remote control, power supply unit.

Feature	Description
Coaxial Input	For digital audio connection from CD players, set-top boxes
Optical Input	For Toslink digital audio connection
USB Input	For computer audio connection
Analog Outputs	RCA and XLR balanced outputs
Power Input	For AC power connection
Sample Rate Support	Up to 192kHz/24-bit resolution
Power Switch	Turns unit on/off
Input Select	Cycles through available digital inputs
Mute Function	Temporarily mutes audio output
Standby Mode	Low-power standby operation

Installation

Unpack and inspect contents. Place on stable, vibration-free surface.

1. Connect digital sources: Use coaxial, optical, or USB cables to connect audio sources.
2. Connect analog outputs: Use RCA or XLR cables to connect to amplifier or preamp.
3. Connect power: Plug into AC power outlet.
4. Ensure proper ventilation around unit.

WARNING! Ensure proper grounding; avoid moisture and extreme temperatures.

First-Time Setup

Power on DAC1; follow initial setup procedure.

1. Select input source: Press INPUT button to cycle through available sources.
2. Configure audio settings: Use menu system to set sample rate, filter type.
3. Connect to audio system: Ensure proper connection to amplifier or preamplifier.
4. Test all inputs: Verify each digital input functions correctly.

CAUTION! Use high-quality cables for optimal performance.

Specifications

• Digital Inputs: Coaxial, Optical, USB
• Analog Outputs: RCA unbalanced, XLR balanced
• Supported Formats: PCM up to 192kHz/24-bit
• Frequency Response: 20Hz - 20kHz ±0.5dB
• Signal-to-Noise Ratio: >110dB
• Total Harmonic Distortion: <0.005%
• Power Consumption: 15W maximum
• Power Requirements: 120V AC, 60Hz
• Dimensions: Standard component size
• Weight: Approximately 3.5 kg

Controls and Settings

Front Panel: POWER, INPUT SELECT, MUTE, STANDBY. Remote Control: All front panel functions plus additional settings access.

Menu Settings: Input selection, sample rate display, filter type (Fast Roll-off, Slow Roll-off, Minimum Phase), phase inversion, output level adjustment.

Audio: Digital filter selection, output phase, mute function. System: Auto standby, display brightness, factory reset.

Connecting Devices

Digital Sources: Coaxial for CD/DVD players, Optical for TVs/consoles, USB for computers. Analog Outputs: RCA to integrated amp, XLR to balanced preamp.

1. Turn off all equipment before making connections.
2. Use high-quality digital cables for best performance.
3. Select appropriate input source using INPUT button.
4. Ensure proper impedance matching for analog connections.

Tip: Keep digital cables away from power cables to reduce interference.

Operation Modes

Supports various digital audio sources and processing modes.

1. Input Selection: Cycle through inputs using front panel or remote.
2. Sample Rate Display: Shows current input sample rate.
3. Filter Selection: Choose between different digital filter types.
4. Mute Function: Temporary audio mute without changing settings.
5. Standby Mode: Automatic power saving when no signal detected.
6. Phase Inversion: Invert audio phase if required.

WARNING! Always use proper shutdown procedure; avoid hot-plugging connections.

Audio Settings

Digital Filter: Select from Fast Roll-off, Slow Roll-off, or Minimum Phase filters. Phase: Normal or Inverted phase settings. Output Level: Fixed or variable output level control.

Care & Maintenance

Unplug before cleaning. Use soft, dry cloth for exterior; compressed air for connectors.

CAUTION! Do not use liquid cleaners; avoid magnetic fields near unit.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © Marantz; all rights reserved. For technical support, visit www.marantz.com or contact authorized service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No sound output	Input selection/cables	Check input selection; verify cable connections; ensure source is active.
Intermittent audio	Cable quality/connections	Check all connections; try different cables; ensure proper seating.
USB not recognized	Driver/computer settings	Install proper drivers; check computer audio settings; try different USB port.
LED indicators not working	Power supply	Check power connection; verify outlet function; check fuse.
Distorted sound	Sample rate mismatch	Check source sample rate; ensure compatibility; try different input.

Reset: Menu > System > Factory Reset if available.

Service: Contact authorized Marantz service center; www.marantz.com