1. Introduction
The Marantz NR1609 is a slim-profile 7.2 channel AV Surround Receiver designed to deliver exceptional audio and video performance in a compact form factor. It supports the latest audio formats like Dolby Atmos and DTS:X, along with 4K Ultra HD video pass-through, HDR, and Dolby Vision. With built-in HEOS multi-room audio technology, Bluetooth, and AirPlay 2, the NR1609 offers versatile connectivity for all your entertainment needs.
Figure 1: Front view of the Marantz NR1609 AV Surround Receiver, showcasing its sleek design and front panel controls.
2. Safety Information
Please read these safety instructions carefully before operating the unit. Failure to comply may result in fire, electric shock, or other injury.
- Ventilation: Ensure adequate space around the unit for proper ventilation. Do not block ventilation openings.
- Power Source: Connect the unit only to an AC outlet of the voltage specified on the rear panel.
- Moisture: Do not expose the unit to rain or moisture. Do not place objects filled with liquids, such as vases, on the unit.
- Placement: Place the unit on a flat, stable surface away from direct sunlight, heat sources, and excessive dust.
- Servicing: Do not attempt to service the unit yourself. Refer all servicing to qualified service personnel.
3. Key Features
The Marantz NR1609 offers a range of advanced features for an immersive home theater experience:
- Slim Profile Design: Half the height of traditional AV receivers, ideal for space-constrained setups.
- 7-Channel Discrete Power Amplifier: Delivers 90W per channel for dynamic sound.
- Advanced HDMI Connectivity: 8 HDMI inputs (including 1 front) and 1 ARC output, all with HDCP 2.2 support.
- 4K Ultra HD Support: 4K/60 Hz full-rate pass-through, 4:4:4 color resolution, HDR, BT.2020, Dolby Vision, and HLG.
- Object-Based Audio: Supports Dolby Atmos, DTS:X, and DTS Virtual:X processing for three-dimensional sound.
- High-Resolution Audio: Decodes ALAC, FLAC, WAV (up to 24-bit/192-kHz), and DSD (2.8MHz/5.6MHz) files.
- HEOS Built-in: Wireless multi-room audio technology for streaming music throughout your home.
- Voice Control: Compatible with Amazon Alexa via the HEOS Home Entertainment skill.
- Streaming Services: Access popular music services like Spotify, TuneIn, and Deezer via Bluetooth, AirPlay 2, or the HEOS app.
4. Setup Guide
4.1 Unpacking and Placement
Carefully remove the NR1609 from its packaging. Ensure all accessories, including the remote control, power cord, setup microphone, and antennas, are present. Place the receiver on a sturdy, level surface with adequate ventilation space around it (at least 10 cm on sides and top).
4.2 Connections
Before making any connections, ensure the receiver and all connected devices are powered off and unplugged from the AC outlet.
- HDMI Connections: Connect your video sources (Blu-ray player, game console, set-top box) to the HDMI IN ports. Connect your TV or projector to the HDMI OUT (ARC) port.
- Speaker Connections: Connect your speakers to the corresponding speaker terminals on the rear panel. Pay attention to polarity (+/-). The NR1609 supports 7.2 channel configurations.
- Network Connection: For internet radio, firmware updates, and HEOS functionality, connect an Ethernet cable to the LAN port or attach the Wi-Fi antennas and configure wireless settings.
- Audio Inputs: Connect external audio devices using analog RCA cables or digital optical/coaxial cables. A dedicated PHONO input is available for turntables.
- Power: Once all connections are made, connect the power cord to the receiver and then to an AC outlet.
Figure 2: Rear panel of the Marantz NR1609, illustrating the various input and output ports for comprehensive connectivity.
4.3 Initial Setup Wizard and Audyssey Calibration
Upon first power-on, the NR1609 will guide you through an on-screen setup wizard. Follow the prompts to configure your language, network settings, and speaker setup. The Audyssey MultEQ XT calibration system will optimize your speaker settings for your room's acoustics using the included setup microphone. This process is crucial for achieving optimal sound quality.
5. Operating Instructions
5.1 Basic Operation
- Power On/Off: Use the POWER button on the front panel or remote control.
- Input Selection: Use the INPUT SELECTOR knob on the front panel or dedicated input buttons on the remote to choose your desired source (e.g., Blu-ray, TV Audio, Game).
- Volume Control: Adjust the VOLUME knob on the front panel or the VOLUME +/- buttons on the remote.
5.2 Audio Modes and Surround Sound
The NR1609 supports various audio modes, including advanced object-based formats:
- Dolby Atmos: Creates a three-dimensional sound field with overhead effects.
- DTS:X: Similar to Dolby Atmos, offering flexible speaker layouts and immersive sound.
- DTS Virtual:X: Provides a virtual height and surround effect without dedicated height or surround speakers.
- Stereo/Direct Modes: For pure two-channel audio playback.
Use the "SOUND MODE" buttons on the remote to cycle through available audio modes for the current input.
5.3 Network and Streaming Features
- HEOS Multi-Room Audio: Download the HEOS app to control music playback across multiple HEOS-enabled devices in your home.
- Bluetooth: Pair your smartphone or tablet to stream audio wirelessly.
- AirPlay 2: Stream audio from Apple devices to the receiver and other AirPlay 2 compatible speakers.
- Music Services: Access integrated services like Spotify Connect, TuneIn Internet Radio, and Deezer directly through the HEOS app or receiver interface.
5.4 Voice Control with Amazon Alexa
The Marantz NR1609 supports Amazon Alexa voice control via the HEOS Home Entertainment skill. Enable the skill in your Alexa app and link your HEOS account to control basic functions like power, volume, input selection, and music playback using voice commands.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Do not use abrasive cleaners or solvents.
- Firmware Updates: Periodically check for and install firmware updates via the network connection to ensure optimal performance and access to new features. This can usually be done through the receiver's setup menu.
7. Troubleshooting
If you encounter issues with your Marantz NR1609, refer to the following common troubleshooting steps:
| Problem | Possible Cause / Solution |
|---|---|
| No Sound |
|
| No Picture |
|
| Network Connection Issues |
|
| Remote Control Not Working |
|
If the problem persists, please refer to the official Marantz support website or contact customer service.
8. Specifications
Detailed technical specifications for the Marantz NR1609 AV Surround Receiver:
| Feature | Detail |
|---|---|
| Model | NR1609 |
| Channels | 7.2 |
| Power Output (per channel) | 90W (6 ohms, 1 kHz, 1% THD, 1ch Driven) / 50W (8 ohms, 20 Hz - 20 kHz, 0.08% THD, 2ch Driven) |
| HDMI Inputs / Outputs | 8 In (1 Front) / 1 Out (ARC) |
| HDCP Version | HDCP 2.2 support on all HDMI ports |
| Video Pass-through | 4K/60Hz, 4:4:4 Pure Color, HDR, Dolby Vision, HLG, BT.2020 |
| Audio Formats | Dolby Atmos, DTS:X, DTS Virtual:X, Dolby TrueHD, DTS-HD Master Audio |
| High-Res Audio Support | ALAC, FLAC, WAV (up to 24-bit/192kHz), DSD (2.8/5.6MHz) |
| Wireless Connectivity | Wi-Fi (2.4GHz/5GHz), Bluetooth, AirPlay 2, HEOS Built-in |
| Voice Control | Amazon Alexa compatible |
| Dimensions (W x D x H) | 440 x 368 x 105 mm (17.3 x 14.5 x 4.1 inches) |
| Weight | 8.4 kg (18.5 lbs) |
| Power Consumption | 250W (Operational) |
Figure 3: Internal view of the Marantz NR1609, showing the main circuit board and heat sinks.
Figure 4: Another internal view of the Marantz NR1609, illustrating the overall component layout and wiring.
9. Warranty and Support
The Marantz NR1609 is covered by a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Marantz website.
For technical support, frequently asked questions, and additional resources, please visit the official Marantz support page:
