Introduction
The Marantz HD-AMP1 is a compact stereo integrated amplifier designed for high-resolution audio playback. It features a built-in Digital-to-Analog Converter (DAC) and is compatible with various uncompressed high-resolution audio formats, including WAV, ALAC, FLAC, AIFF, and DSD tracks. The amplifier incorporates a powerful Class D audiophile amplifier section, ensuring wide bandwidth and dynamic range. Marantz Current Feedback and HDAM technologies are integrated to provide high audio fidelity and clean playback with minimal distortion across a wide range of speaker types and impedances. This unit is part of the Marantz MusicLink series, offering an elegant design and a rich audio experience.
Key features include:
- Compact integrated amplifier with both digital and analog inputs.
- iDevice and USB drive connectivity, with automatic iDevice recharging via the front USB port.
- Marantz Musical Digital Filtering with proprietary DSP filtering and two filter options.
- Dedicated headphone amplifier with HDAM-SA2 and three gain/impedance choices.
What's in the Box
Please ensure all the following items are present in the packaging:
- Marantz HD-AMP1 Stereo Integrated Amplifier
- Power Cord
- Remote Control (with batteries)
- USB Cable
- Quick Start Guide
- Safety Instructions
- Warranty Card
Setup
1. Placement
Place the HD-AMP1 on a stable, level surface with adequate ventilation. Avoid placing it near heat sources or in direct sunlight. Ensure there is sufficient space around the unit for proper airflow.
2. Connecting Speakers
Connect your speakers to the speaker terminals on the rear panel. Ensure correct polarity (positive to positive, negative to negative) for each speaker. The HD-AMP1 supports speakers with an impedance of 4-16 ohms.
3. Connecting Audio Sources
The HD-AMP1 offers a variety of input options:
- Analog Inputs: Use RCA cables to connect analog audio sources (e.g., CD player, tuner) to the 'ANALOG 1' or 'ANALOG 2' inputs.
- Digital Inputs: Connect digital audio sources (e.g., TV, game console) using coaxial or optical cables to the respective 'COAXIAL' or 'OPTICAL' inputs.
- USB-DAC Input: Connect your computer to the 'USB-DAC' input on the rear panel using a USB cable for high-resolution audio playback. Install the necessary drivers on your computer if required (refer to the Marantz website for driver downloads).
- Front USB Input: Connect iDevices or USB storage devices to the front USB port for direct digital audio playback and charging.
4. Power Connection
After all audio connections are made, connect the supplied power cord to the AC IN terminal on the rear panel and then to a wall outlet.
Front view of the Marantz HD-AMP1. This image displays the front panel of the HD-AMP1, highlighting the main controls such as the input selector, volume knob, USB-DAC display, front USB port for iDevice/USB drive connectivity, and the dedicated headphone output.
Rear view of the Marantz HD-AMP1. The rear panel of the HD-AMP1 features various input and output terminals, including analog audio inputs (RCA), digital audio inputs (Coaxial, Optical, USB-DAC), subwoofer output, speaker terminals, and remote control connections.
Operating Instructions
1. Power On/Off
Press the power button on the front panel or the remote control to turn the unit on or off. The display will illuminate when the unit is powered on.
2. Input Selection
Use the 'INPUT SELECTOR' knob on the front panel or the input buttons on the remote control to choose your desired audio source (e.g., Analog 1, Optical, USB-DAC).
3. Volume Control
Adjust the listening volume using the large 'VOLUME' knob on the front panel or the volume buttons on the remote control. Start with a low volume level and gradually increase it to a comfortable listening level.
4. Headphone Usage
Connect your headphones to the 'PHONES' jack on the front panel. The HD-AMP1 features a dedicated headphone amplifier with adjustable gain/impedance settings. These settings can be accessed via the setup menu to optimize performance for various headphone types.
5. USB-DAC Playback
When using the rear USB-DAC input, ensure the necessary drivers are installed on your computer. Select 'USB-DAC' as the input source. Your computer should recognize the HD-AMP1 as an audio output device. For optimal performance, configure your computer's audio settings to output at the highest possible resolution supported by your audio files.
6. Setup Menu
Press the 'SETUP' button on the front panel or remote control to access the unit's settings menu. Here you can configure various parameters such as digital filter options, headphone amplifier settings, and display preferences. Navigate using the input selector and volume knobs, and confirm selections by pressing the volume knob.
Maintenance
1. Cleaning
To clean the unit, disconnect the power cord from the wall outlet. Use a soft, dry cloth to wipe the exterior surfaces. Do not use abrasive cleaners, solvents, or chemical sprays, as these can damage the finish. For stubborn marks, a slightly damp cloth can be used, followed by a dry cloth.
2. Ventilation
Ensure that the ventilation openings on the top and sides of the unit are not blocked. Proper ventilation is crucial to prevent overheating and maintain optimal performance and longevity of the amplifier.
3. Storage
If storing the unit for an extended period, disconnect it from the power supply and store it in a cool, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
If you experience issues with your HD-AMP1, please refer to the following common troubleshooting steps before contacting support:
- No Power: Check if the power cord is securely connected to both the unit and the wall outlet. Ensure the wall outlet is functional.
- No Sound:
- Verify that the correct input source is selected.
- Check all audio cable connections between the source and the amplifier, and between the amplifier and speakers.
- Ensure the volume is not set to minimum or muted.
- If using headphones, ensure they are properly connected and the headphone volume is adjusted.
- Distorted Sound:
- Check speaker connections for loose wires or incorrect polarity.
- Reduce the volume level to see if distortion decreases.
- Ensure the audio source is not outputting a distorted signal.
- USB-DAC Not Recognized:
- Ensure the USB cable is securely connected.
- Verify that the correct drivers are installed on your computer.
- Try restarting your computer and the HD-AMP1.
For more detailed troubleshooting, please consult the full owner's manual available on the Marantz website or contact Marantz customer support.
Specifications
| Feature | Specification |
|---|---|
| Product Dimensions | 16.69 x 15.91 x 8.62 inches |
| Item Weight | 5.8 pounds |
| Item Model Number | HD-AMP1 |
| Batteries Required | 2 AAA batteries (for remote control) |
| Date First Available | January 13, 2016 |
Warranty and Support
The Marantz HD-AMP1 comes with a limited warranty. Please refer to the warranty card included in your product packaging for specific terms and conditions, including coverage duration and limitations. Keep your proof of purchase for warranty claims.
For technical support, service, or further inquiries, please visit the official Marantz website or contact your authorized Marantz dealer. You can find contact information and additional resources on the Marantz support page.
Official Product Video
This video, titled "Marantz. Born in New York," provides an overview of the Marantz brand's philosophy and dedication to sound quality. It showcases the passion for rich sound that drives the design and craftsmanship of Marantz audio products, including amplifiers.
