1. Introducció
This manual provides essential instructions for the safe and efficient operation of your Nobsound NS-10P Mini Vacuum Tube Preamp. Please read this manual thoroughly before using the device and retain it for future reference. The NS-10P is designed to enhance audio quality by adding a warm, soft tube sound to your existing audio system, featuring independent treble, bass, and volume controls.
2. Instruccions de seguretat
- Font d'alimentació: Feu servir només l'adaptador de corrent proporcionat. Assegureu-vos que el volumtage coincideix amb els requisits del dispositiu.
- Col·locació: Col·loqueu el preamp on a stable, flat surface. Avoid areas with excessive heat, humidity, or direct sunlight. Ensure adequate ventilation around the unit.
- Exposició líquida: Do not expose the device to water or other liquids. If liquid enters the unit, disconnect power immediately and contact support.
- Vol. Alttage: La unitat conté un alt volumtage components. Do not attempt to open the casing or service the device yourself. Refer all servicing to qualified personnel.
- PreampFunció lifier: Això és un preamplifier and requires connection to an amplifier or active speakers. It is not a standalone ampmés viu.
- Not a Phono Preamp: This device is not a PHONO preamp and cannot be used directly with record players that require RIAA equalization.
3. Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- 1x Nobsound NS-10P Tube Preamp
- 2x Vacuum Tubes (pre-installed or separate)
- 1x font d'alimentació

Image: Contents of the Nobsound NS-10P package, showing the preamp unit, two vacuum tubes, and the power supply.
4. Producte acabatview
4.1 Tauler frontal

Imatge: Frontal view of the Nobsound NS-10P preamp, highlighting the Treble knob, Bass knob, and Volume knob.
- Pom treble: Ajusta els nivells d'àudio d'alta freqüència.
- Pom de baix: Ajusta els nivells d'àudio de baixa freqüència.
- Pom de volum: Controla el volum de sortida general.
4.2 Panell posterior

Imatge: Part posterior view of the Nobsound NS-10P preamp, showing the DC 6V power input, 3.5mm AUX input ('In'), 3.5mm AUX output ('Out'), and the Power button.
- Entrada DC 6V: Power input port for the included 6V DC power adapter.
- IN (3.5mm AUX): Audio input jack for connecting source devices.
- OUT (3.5mm AUX): Audio output jack for connecting to an amplifier o altaveus actius.
- Botó d'encesa: Toggles the unit on and off.
5. Instruccions de configuració
Follow these steps to set up your Nobsound NS-10P preamp:
- Tube Installation (if not pre-installed): Carefully insert the two vacuum tubes into their respective sockets on top of the unit. Ensure they are seated firmly.
- Connecteu l'entrada d'àudio: Connect your audio source (e.g., smartphone, tablet, CD player, computer) to the IN (3.5mm AUX) port on the rear panel using a 3.5mm audio cable.
- Connecta la sortida d'àudio: Connecteu el FORA (3.5mm AUX) port on the rear panel to your amplifier, active speakers, or headphone amplifier using a 3.5mm audio cable.
- Connectar l'alimentació: Plug the provided 6V DC power adapter into the ENTRADA DC 6V port on the rear panel, then plug the adapter into a wall outlet.
- Encès: Premeu el botó Poder button on the rear panel to turn on the unit. The vacuum tubes will glow, indicating the unit is operational.

Image: Diagram illustrating typical connections for the Nobsound NS-10P, showing a 3.5mm AUX input from various devices and a 3.5mm AUX output to an amplifier, active speakers, or headphone ampmés viu.
6. Instruccions de funcionament
- Encès/apagat: Use the red Poder button on the rear panel to turn the unit on or off.
- Ajust de volum: Gira el gran Volum knob on the front panel to adjust the output level. Start with a low volume and gradually increase it to a comfortable listening level.
- Control dels aguts: Utilitza el Aguts knob to fine-tune the high-frequency response of your audio. Turn clockwise to increase treble, counter-clockwise to decrease.
- Control de baix: Utilitza el Baix knob to adjust the low-frequency response. Turn clockwise to increase bass, counter-clockwise to decrease.

Image: The Nobsound NS-10P preamp integrated into a desktop audio system, connected to a computer and speakers.

Image: The Nobsound NS-10P preamp connected to a laptop and a single speaker, demonstrating its compact size and versatility.
7. Substitució de tubs
The vacuum tubes in your NS-10P can be replaced to explore different sound characteristics or if they reach the end of their lifespan. Compatible tube models include 6J1, 6AK5, 6BC5, 403A/B, 5654, EF40, F95, and CV850.
- Apagar: Assegureu-vos que la preamp is turned off and unplugged from the power outlet.
- Permetre la refrigeració: Allow the tubes to cool down completely before handling, as they can become hot during operation.
- Remove Old Tubes: Gently grasp the existing tube and pull it straight up from its socket. Avoid twisting or bending.
- Insert New Tubes: Align the pins of the new tube with the holes in the socket. Carefully push the tube straight down until it is firmly seated. Do not force it.
- Torneu a connectar l'alimentació: Once both tubes are replaced, reconnect the power adapter and power on the unit.
8. Manteniment
- Neteja: Feu servir un drap suau i sec per netejar l'exterior de la unitat. No utilitzeu netejadors líquids ni materials abrasius.
- Pols: Regularly dust the unit, especially around the vacuum tubes and ventilation slots, to prevent overheating.
- Emmagatzematge: Si guardeu la unitat durant un període prolongat, desconnecteu-la de l'alimentació i guardeu-la en un lloc fresc i sec.
9. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense sortida de so | Unit not powered on; Incorrect cable connections; Volume too low; Source device issue; Amplifier/active speaker issue. | Ensure power button is pressed and tubes are glowing. Check all audio cables are securely connected to 'IN' and 'OUT' ports. Increase the volume knob. Verify the audio source is playing and its volume is up. Check your amplifier/altaveus actius. |
| Distorted sound or hum | Loose tube connection; Faulty tubes; Ground loop; Input signal too strong; Interference from other electronics. | Gently reseat the vacuum tubes. Consider replacing tubes if they are old or suspected faulty. Ensure all components are properly grounded. Reduce the input volume from your source device. Move the preamp lluny d'altres dispositius electrònics. |
| No treble/bass adjustment | Knobs not functioning; Internal fault. | Ensure the knobs are rotating freely and not stuck. If the issue persists, contact customer support. |
| Tubes not glowing | Unit not powered; Faulty power adapter; Faulty tubes. | Check power connection and power button. Ensure the power adapter is working. If tubes are not glowing after power on, they may need replacement. |
10. Especificacions
- Marca: Nobsound
- Número de model: DZ030
- Pes de l'article: 10.6 unces
- Dimensions del paquet: 7.24 x 6.26 x 3.19 polzades
- Entrada d'alimentació: DC 6V
- Entrada/sortida: 3.5 mm AUX
- Tipus de tub: 6J1 (replaceable with compatible models)
11. Vídeo del producte
Mireu aquest vídeo per obtenir una visió generalview of the Nobsound NS-10P Mini Tube Preamp, demonstrating its features and design.
Video: Nobsound NS-10P Mini Tube Preamp with Treble / Bass Control. This video showcases the preamp from various angles, highlighting its front panel controls and rear connections.
12. Garantia i Suport
Per obtenir informació sobre la garantia o assistència tècnica, consulteu el lloc web oficial del fabricant. weblloc web o contacteu amb el vostre distribuïdor. Conserveu el rebut de compra com a comprovant de compra.





