Douk Audio Nobsound NS-02E Vacuum Tube Headphone Amplifier-Benutzerhandbuch

1. Einleitung

The Douk Audio Nobsound NS-02E is a compact and versatile vacuum tube headphone amplifier designed to enhance your audio experience. It features an anodized aluminum chassis and a replaceable vacuum tube with blue illumination. This amplifier delivers a soft and warm sound while maintaining exceptional clarity, making it suitable for various audio setups.

The NS-02E can function as a dedicated headphone amplifier or as a tube pre-amplifier, allowing integration with existing power amplifiers to improve musicality and dynamic range. Its design supports easy tube replacement, offering flexibility for sound customization.

2. Packungsinhalt

Bitte prüfen Sie das Paket auf folgende Artikel:

• 1 × Nobsound NS-02E Headphone Ampschwerer
• 1 × Power Supply Adapter
• 1 × 6N3 Vacuum Tube (pre-installed or separate)
• 1 × Audio Cable (3.5mm to 3.5mm)

3. Produktüberschreitungview

The NS-02E features a robust anodized aluminum chassis, providing durability and a sleek aesthetic. The visible vacuum tube is illuminated with a blue light when powered on, adding to its unique appeal. The front panel includes a volume control knob and 3.5mm input/output jacks, while the rear panel houses the power input.

Bild: Vorderseite view of the Nobsound NS-02E Headphone Amplifier, highlighting its anodized aluminum chassis and the illuminated vacuum tube.

Image: The Nobsound NS-02E amplifier shown with its compact dimensions (90x90x39mm), illustrating its small footprint.

4. Einrichtungsanweisungen

Follow these steps to set up your Nobsound NS-02E ampReiniger:

1. Rohrinstallation (falls nicht vorinstalliert): Gently insert the 6N3 vacuum tube into the socket on top of the amplifier. Ensure the pins align correctly with the socket holes and push down firmly but carefully until it is seated.
2. Audioeingang anschließen: Use the provided 3.5mm audio cable to connect your audio source (e.g., smartphone, computer, iPod, stereo system) to the 'In' jack on the front panel of the NS-02E.
3. Kopfhörer anschließen: Schließen Sie Ihre Kopfhörer an den 'Aus' jack on the front panel of the NS-02E. The amplifier supports headphones with impedance ranging from 18 to 600 ohms.
4. Strom anschließen: Connect the power supply adapter to the DC 6V input jack on the rear panel of the ampVerstärker. Stecken Sie dann den Netzadapter in eine geeignete Steckdose.
5. Anfangslautstärkeeinstellung: Before powering on, turn the volume knob counter-clockwise to its minimum setting to prevent sudden loud sounds.

Image: Connection diagram illustrating how to connect various audio sources (iPod, smartphone, computer) to the 'In' port and headphones or active speakers to the 'Out' port of the NS-02E.

Using as a Pre-AmpReiniger:

To use the NS-02E as a pre-amplifier, connect your audio source to the 'In' jack as described above. Then, connect the 'Out' jack of the NS-02E to the input of your power amplifier or active speaker system. This configuration allows the NS-02E to process the audio signal before it reaches your main amplifizierungssystem.

5. Bedienungsanleitung

1. Einschalten: After all connections are made, press the power button (if available, otherwise it powers on when connected to power). The vacuum tube will illuminate with a blue light, indicating the unit is powered on.
2. Lautstärke anpassen: Slowly turn the volume knob clockwise to increase the sound level to your desired listening volume.
3. Genießen: Begin playing audio from your connected source.
4. Ausschalten: Zum Ausschalten des amplifier, disconnect the power supply from the wall outlet or press the power button if present.

6. Wartung

Röhrenaustausch

The default 6N3 vacuum tube can be replaced with various compatible tubes to customize the sound signature. To replace the tube:

1. Ausschalten und trennen: Stellen Sie sicher, dass amplifier is powered off and disconnected from the power supply. Allow the tube to cool down completely before handling.
2. Altes Rohr entfernen: Gently grasp the existing tube and pull it straight up from its socket. Avoid twisting or bending the pins.
3. Neues Rohr einsetzen: Carefully align the pins of the new tube with the holes in the socket. Gently push the tube straight down until it is fully seated. Do not force it.

Kompatible Schlauchtypen:

• Vereinigte Staaten: 6A8Q, 2C51, 5670, 5185, 6385, 6185, WE396
• Europa: ECC 42
• Soviet Union: 6H3N, 6H3II
• Deutschland: ECF82
• Tschechische Republik: 6CC42

Image: The Nobsound NS-02E amplifier with a separate vacuum tube, demonstrating the user's ability to replace the default tube with other compatible models for sound customization.

Allgemeine Pflege

• Behalten Sie die ampDer Verstärker sollte in einer sauberen, trockenen Umgebung, fern von direkter Sonneneinstrahlung, Wärmequellen und Feuchtigkeit, aufgestellt werden.
• Clean the chassis with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
• Stellen Sie keine schweren Gegenstände auf das ampschwerer.

7. Fehlerbehebung

If you encounter issues with your NS-02E amplifier, beachten Sie die folgenden häufigen Probleme und Lösungen:

8. Spezifikationen

9. Garantie und Support

For warranty information and technical support, please refer to the documentation provided with your purchase or contact Douk Audio customer service directly. Contact details can typically be found on the manufacturer's official webWebsite oder über Ihren Händler.