How to fix no computer audio on NAD C 390DD?
If your NAD Amplifier isn't producing audio from the computer, make sure that your PC or Mac's Sound or Audio device setting is set to “NAD USB Audio”. Also, confirm that music files are being played back from your computer.
Why is the VFD dim on my NAD C 390DD?
If the VFD on your NAD Amplifier is dim, it might be due to a low brightness level being selected. To fix this, toggle the [DIMMER] button until you reach your desired brightness level.
How to turn on NAD Amplifier C 390DD?
If your NAD Amplifier (C 390DD) won't power on, check that the rear panel POWER switch is set to “ON”. After that, press the front panel Standby button.
What to do if my NAD Amplifier C 390DD remote control is not working?
If your NAD Amplifier (C 390DD) isn't responding to the remote, first, verify the batteries are working correctly and properly inserted. Next, ensure that nothing is blocking the infrared receiver (IR) window on the C 390DD or the IR transmitter on the remote. Also, reduce any bright sunlight or ambient light hitting the front panel of the C 390DD. Finally, check that the IR Channel setting on both the C 390DD and the remote control are the same.
What to do if NAD C 390DD Amplifier shows 'No files found'?
If your NAD Amplifier's VFD displays “No flies found” even with a USB device connected, it means that the USB device doesn't contain any playable MP3, WMA, or FLAC files. To resolve this, load MP3, WMA, or FLAC files onto the USB device.
Covers safe operation, cleaning, attachments, water, placement, ventilation, and power cord protection.
Addresses power sources, grounding, polarization, lightning protection, and CATV system grounding.
Covers safety checks, wall mounting, heat, headphones, battery disposal, and product warnings.
Details the Digital USB Front input and the Volume control knob for adjusting loudness.
Describes Computer USB, Digital USB Back, AES/EBU, Coaxial, and Optical inputs for various audio sources.
Explains speaker connections, including bi-wiring, and provides notes on wire gauge and connection types.
Covers the Ground Terminal, +12V Trigger, IR IN, and RS232 ports for system integration and remote control.
Details the Pre Out/Subwoofer terminals, AC Mains Input, and the main Power switch for unit operation.
Describes the DD HDMI 1 module for video pass-through and integration into a video system.
Details the DD AP 1 module for analog-to-digital conversion of analog sources, including phono inputs.
Introduces the AVR 4 remote for controlling the C 390DD and other NAD products, including battery installation.
Guides users on how to cycle through and select different audio input sources for the C 390DD.
Provides solutions for issues like no computer audio, dim VFD, and USB device file not found errors.
Offers solutions for C 390DD not responding to remote commands or failing to power on.
Lists specifications for continuous output power, distortion, dynamic power, and signal-to-noise ratio.
General| Damping factor | 800 |
|---|---|
| Amplifier class | A |
| Frequency range | 20 - 96000 Hz |
| Audio output channels | - channels |
| Peak power per channel | - W |
| Signal-to-Noise Ratio (SNR) | 124 dB |
| Total Harmonic Distortion (THD) | 0.005 % |
| Dynamic power per channel (4 Ohm) | 350 W |
| Dynamic power per channel (8 Ohm) | 160 W |
| RMS power output per channel (4 Ohm) | 150 W |
| AC (power) in | Yes |
| USB 2.0 ports quantity | 3 |
| Digital audio optical in | 2 |
| Digital audio optical out | 1 |
| Speakers connectivity type | Banana connector |
| Purpose | Home |
| Product color | Black |
| Volume control | Rotary |
| Connectivity technology | Wired |
| Sustainability certificates | RoHS, ENERGY STAR |
| AC input voltage | 100-240 V |
| AC input frequency | 50 - 60 Hz |
| Power consumption (standby) | 0.5 W |
| Power consumption (typical) | 40 W |
| Certification | CE, TUV |
Weight and Dimensions| Depth | 388 mm |
|---|---|
| Width | 435 mm |
| Height | 132 mm |
| Weight | 7700 g |
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