Do you have a question about the d&b audiotechnik 40D and is the answer not in the manual?
Channels | 4 |
---|---|
Amplifier Technology | Class D |
THD+N | < 0.1 % |
Sampling Rate | 96 kHz |
Cooling | Temperature controlled fan |
Frequency Response | 10 Hz - 22 kHz |
Total Harmonic Distortion | <0.1% |
Input Impedance | 20 kΩ |
Equalization | Yes |
Delay | up to 10 s |
Connectors (Analog Input) | XLR |
Connectors (Digital Input) | AES/EBU |
Connectors (Output) | 4 x NL4 |
Connectors (Network) | 2 x RJ45 |
Operating Voltage | 100 – 240 V, 50 – 60 Hz |
Dimensions (H x W x D) | 88 x 482 x 400mm |
Input Connectors | XLR, AES/EBU |
Output Connectors | Speakon NL4 |
Power Connector | Neutrik powerCON |
Explains the meaning of warning symbols used in the manual.
Details supported loudspeaker impedances and cabinet configurations.
Details power supply type, connector, voltage, and current requirements.
Specifies output voltage, current, and power ratings for amplifier channels.
Details analog, digital, Ethernet, GPI/GPO, and FAULT connector specifications.
Lists parameters like startup time, latency, and equalizer features.
Provides physical size (RU, width, depth) and weight of the device.
Identifies and describes all input/output connectors on the rear panel.
Details the front panel controls, indicators, and touchscreen interface.
Covers proper rack installation and essential cooling requirements.
Describes the status indicated by the LED lights on the Ethernet ports.
Explains the fault contact for remote error indication.
Explains how to perform a system reset to factory defaults.
Details how to reset and access network (IP) settings.
Describes the main Home screen layout, header, and navigation.
Provides details on network settings, status, and IP configuration.
Displays overview of assigned GPIO functions and statuses.
Shows the number of currently active amplifier presets.
Outlines the process for initial device setup using the R1 software.
Details how to configure GPIOs and assign software objects.
Explains how to connect the device to a computer via Ethernet.
Guides on establishing network connection and accessing the device.
Describes the layout and functionality of the web interface tabs.
Details the switch mode power supply, PFC, and mains range selection.
Explains the benefits and performance of the active PFC circuit.
Describes how the device monitors and reacts to mains voltage variations.
Covers the device's ability to adapt to different mains voltage ranges worldwide.
Details power requirements and recommendations for stable operation.
Describes the Class D amplifier technology and its characteristics.
Details safety precautions and procedures for authorized service personnel.
Covers routine maintenance, cleaning, and filter requirements.
Provides instructions for safely cleaning the touchscreen display.
States compliance with relevant directives for the product.
Provides information on the proper disposal of electronic equipment.
Information about open source software licenses and copyrights.