Atlas Sound IED DPA1202 Networkable Multi-Channel Power Amplifier User Manual

1. Introduction

This manual provides comprehensive instructions for the installation, operation, and maintenance of the Atlas Sound IED DPA1202 Networkable Multi-Channel Power Amplifier. The DPA1202 is a versatile amplifier designed for professional audio applications, offering flexible power configurations and networkable control capabilities.

The DPA1202 features 1200W total output, configurable as 2 x 600W at 70V/100V, 4 x 300W at 4 Ohms, or a combination of 1 x 600W at 70V/100V and 2 x 300W at 4 Ohms. It includes configurable DSP via a graphical user interface (GUI) and networkable functionality for advanced system integration.

What's in the Box:

• Atlas Sound IED DPA1202 Power Amplifier
• Power Cord
• Documentation (this manual)
• Mounting Hardware (if applicable for rack mount)

Figure 1: Atlas Sound IED DPA1202 Networkable Multi-Channel Power Amplifier. This image shows the overall design of the amplifier, including its rack-mountable chassis and front panel controls.

2. Setup and Installation

The DPA1202 amplifier is designed for surface mounting and typically installed in a standard 19-inch equipment rack. Ensure adequate ventilation around the unit to prevent overheating.

2.1 Physical Installation

• Dimensions: The unit measures approximately 22.5 x 22 x 6 inches (L x W x H) and weighs 19 pounds.
• Mounting: Secure the amplifier using appropriate rack-mounting hardware. Ensure all mounting screws are tightened to prevent movement.
• Ventilation: Maintain at least 1U of clear space above and below the amplifier if possible, or ensure proper airflow through the rack. Do not block the front or rear ventilation grilles.

2.2 Connections

Refer to the rear panel diagram for all input, output, and control connections.

Figure 2: Rear Panel Connections. This image details the various input and output terminals, including balanced audio inputs, amplifier outputs, remote level control, and the Ethernet port for network connectivity.

• Power Connection: Connect the supplied power cord to the AC inlet on the rear panel and then to a suitable power outlet (100-240V AC, 50/60Hz).
• Audio Inputs: Connect your audio sources to the four balanced inputs (Input 1-4) using appropriate cabling.
• Amplifier Outputs: Connect your loudspeakers to the amplifier output terminals (Ch 1-4). Ensure correct impedance matching (4 Ohms, 70V, or 100V) based on your system configuration. The amplifier can be configured for 2-channel 70.7V, 4-channel 4 Ohm, or 1-channel 70V and 2-channel 4 Ohms operation.
• Network Connection: Connect an Ethernet cable from the amplifier's Ethernet port to your network switch or router for networkable control and monitoring.
• Remote Level Control: Utilize the remote level control terminals for external volume adjustments if desired.
• Accessory Card Slot: An optional accessory card slot is available for future expansion or specific system requirements.

3. Operation

The DPA1202 amplifier can be operated via its front panel controls or through its network interface using the DPA Site Manager software or a web browser GUI.

3.1 Front Panel Controls and Indicators

Figure 3: Front Panel Controls. This image highlights the various input and output terminals, including balanced audio inputs, amplifier outputs, remote level control, and the Ethernet port for network connectivity.

• Level Controls: Individual rotary controls for each channel (Ch 1-4) allow for manual output level adjustment.
• Signal Indicators: LEDs indicate signal presence and level for each channel (Signal, Level, Protect).
• Operating Mode Indicators: LEDs display the current operating mode (e.g., 70V/100V, 4 Ohms).

3.2 Network Control and Monitoring

The DPA1202 offers advanced control and monitoring capabilities via its network interface. No computer is required for basic operation, but network features enhance system management.

• DPA Site Manager Software: This PC-based software provides LAN IP auto-discovery, fault reporting, input and output status, standby status, and amplifier remote activation via a scheduler timer.
• On-board Web Browser GUI: Access the amplifier's configuration and monitoring features directly through a web browser. This GUI allows for remote monitoring of status and levels.
• User Page: A dedicated user page within the GUI offers assignable level control, post contractor settings, and password protection for secure access.
• Configurable DSP: The amplifier features configurable Digital Signal Processing (DSP) accessible via the GUI, allowing for fine-tuning of audio parameters.
• Mute Assignments: Mute functions can be triggered via audio signal detection or external contact closure for automated system control.
• Compatibility: The network interface is compatible with PC, iOS, and Android devices, allowing for flexible control options.

4. Maintenance

Regular maintenance ensures the longevity and optimal performance of your DPA1202 amplifier.

• Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Do not use liquid cleaners or solvents, as they may damage the finish or internal components.
• Ventilation: Periodically check that the ventilation grilles on the front and rear panels are free from dust and obstructions. Use a soft brush or compressed air to clear any build-up.
• Connections: Ensure all audio, network, and power connections remain secure. Loose connections can lead to signal loss or intermittent operation.
• Environment: Operate the amplifier in a clean, dry environment within the specified temperature and humidity ranges. Avoid exposure to direct sunlight, excessive heat, or moisture.

5. Troubleshooting

This section provides solutions to common issues you might encounter with your DPA1202 amplifier. For more complex problems, refer to the online documentation or contact Atlas Sound support.

6. Specifications

Detailed technical specifications for the Atlas Sound IED DPA1202 Power Amplifier.

7. Warranty Information

Atlas Sound products are manufactured to high quality standards. Specific warranty terms and conditions for the DPA1202 amplifier are typically provided with the product at the time of purchase or can be found on the official Atlas Sound website. Please retain your proof of purchase for warranty claims.

For detailed warranty information, including coverage period and claim procedures, please visit the official Atlas Sound website or contact their customer support.

8. Customer Support

If you require further assistance, technical support, or have questions regarding your Atlas Sound IED DPA1202 amplifier, please contact Atlas Sound customer support.

• Manufacturer: Atlas Sound
• Website: www.atlassound.com (Please check the official website for the most current contact information and support resources.)
• Online Resources: The Atlas Sound website often provides additional manuals, FAQs, software downloads (like DPA Site Manager), and firmware updates.