Introducció
The Nobsound Douk Audio X1 is a versatile vacuum tube amplifier designed to enhance your audio experience. It features Bluetooth 5.0 connectivity, multiple input options including MM Phono, and a powerful TDA7498E amplifier IC for driving a wide range of passive speakers. The GE5752W vacuum tubes provide a warm and natural sound signature. This manual provides detailed instructions for setting up, operating, and maintaining your ampmés viu.
Contingut del paquet
- Douk Audio X1 AmpUnitat lificadora
- GE5752W Vacuum Tubes (pre-installed or to be installed)
- Adaptador de corrent de 32 V / 5 A
- Antena Bluetooth
- Manual d'usuari (aquest document)
Please check all contents upon unboxing. If any items are missing or damaged, contact customer support.
Producte acabatview
Controls del panell frontal
Imatge: Davant view of the Douk Audio X1 amplifier, highlighting the Power Switch, Input Switch (BT, Phono, RCA), Bass Boost Switch, Tone Switch (Off, On), Tube LED Switch (Blue, Off, Orange), Bass Knob, Main Volume Knob, and Treble Knob.
- Interruptor d'alimentació: Gira el ampmés viu encès o apagat.
- Interruptor d'entrada: Selects the audio input source (Bluetooth, MM Phono, RCA).
- Interruptor d'augment de greus: Engages or disengages bass enhancement.
- Interruptor de to: Activates or deactivates the Bass and Treble tone controls.
- Tube LED Switch: Controls the illumination color of the vacuum tubes (Blue, Off, Orange).
- Pom de baix: Adjusts the low-frequency output when Tone is 'On'.
- Botó de volum principal: Controla el volum de sortida general.
- Pom treble: Adjusts the high-frequency output when Tone is 'On'.
Connexions del panell posterior
Imatge: posterior view of the Douk Audio X1 amplifier, showing the MM Phono input with ground terminal, RCA Audio In, Bluetooth antenna port, Subwoofer Output, Speaker Outputs (Left and Right), and DC Power Input.
- MM PHONO Input: Connects to a turntable with an MM cartridge. Includes a GND (ground) terminal.
- RCA/AUDIO IN: Connects to external audio sources via RCA cables (e.g., CD player, DAC, TV).
- BT (Bluetooth) Antenna Port: Connects the included Bluetooth antenna for wireless audio reception.
- SORTIDA SUB: Connects to an active subwoofer for a 2.1 channel audio setup.
- SORTIDA DE L'ALTAVEU: Connects to passive speakers (Left and Right channels).
- DC IN (19V-35V): Connects the provided power adapter.
Configuració
1. Vacuum Tube Installation (if not pre-installed)
Carefully insert the GE5752W vacuum tubes into their respective sockets on the amplifier. Ensure they are seated firmly but do not force them. The tubes are fragile, handle with care.
2. Connexió dels altaveus
Connecteu els vostres altaveus passius al SORTIDA ALTAVEU terminals on the rear panel. Ensure correct polarity (+ to + and - to -) for both left and right channels. For optimal sound, use high-quality speaker cables.
Nota important de seguretat: When connecting speaker cables without banana plugs, ensure that the bare wire ends do not touch the amplifier case or each other to prevent short circuits and potential damage to the ampmés viu.
3. Connexió de fonts d'àudio
- Entrada Fono MM: Connect your turntable's RCA output to the MM FONO input. Connect the turntable's ground wire to the GND terminal al amplifier to reduce hum.
- Entrada RCA: Connect other audio devices (e.g., CD player, DAC, TV) to the RCA/AUDIO IN ports using RCA cables.
- Entrada Bluetooth: Screw the provided Bluetooth antenna onto the BT antenna port.
4. Connecting an Active Subwoofer (Optional)
If you wish to use an active subwoofer, connect its input to the SUB OUT port al amplifier's rear panel.
5. Connexió d'alimentació
Connect the provided 32V / 5A power adapter to the DC IN port al amplifier, then plug the adapter into a suitable wall outlet.
Imatge: The Douk Audio X1 amplifier set up with a turntable and bookshelf speakers, demonstrating a typical MM Phono input connection.
Instruccions de funcionament
1. Encendre/apagar
Premeu el botó Interruptor d'alimentació al panell frontal per engegar el amplifier on. The vacuum tubes will light up, and the Bluetooth indicator will flash if Bluetooth is selected. Press again to turn off.
2. Selecció d'entrada
Utilitza el Interruptor d'entrada to select your desired audio source: BT for Bluetooth, FONO for MM turntable, or RCA for other wired devices.
3. Control de volum
Gira el Control de volum principal to adjust the overall sound level. Start with a low volume and gradually increase it to a comfortable listening level.
4. Control de to
El amplifier features Bass and Treble controls. Flip the Interruptor de to to 'On' to activate them. Then, use the Pom de baix i Maneta d'aguts to fine-tune the low and high frequencies according to your preference. Set the Tone Switch to 'Off' for a flat frequency response.
5. Bass Boost Function
Involucrar el Interruptor d'augment de greus to enhance the low-frequency output for a more impactful bass sound.
6. Emparellament Bluetooth
- Seleccioneu BT input using the Input Switch. The Bluetooth indicator will flash.
- On your smartphone, computer, or other Bluetooth device, search for available Bluetooth devices.
- Select "Douk Audio X1" (or similar name) from the list to pair.
- Once paired, the Bluetooth indicator will remain solid, and you can play audio wirelessly.
Nota: When connecting via Bluetooth from a PC, ensure that the audio output method is correctly configured on your computer's sound settings.
7. Tube LED Control
Utilitza el Tube LED Switch to change the illumination color of the vacuum tubes to Blue, Orange, or turn the LED off.
Imatge: The Douk Audio X1 amplifier receiving audio wirelessly from a smartphone via Bluetooth, with speakers connected.
Especificacions
| Característica | Especificació |
|---|---|
| Model | X1 |
| Model de tub de buit | GE5752W |
| Amplificador IC | TDA7498E |
| Op-Amp | NE5532 |
| Potència de sortida màxima | 160W + 160W (4Ω) |
| Versió Bluetooth | 5.0 |
| Entrades d'àudio | Bluetooth, Stereo RCA, MM Phono |
| Sortides d'àudio | 2.0 Channel Speaker Output, Active Subwoofer Output |
| Font d'alimentació | DC 32V / 5A (included) |
| Dimensions (aprox.) | 31.8 x 28 x 8 cm |
| Pes (aprox.) | 1.46 kg |
| Altres Funcions | Tone Control (Bass/Treble), Bass Boost, Tube LED Illumination, Short Circuit Protection |
Resolució de problemes
- Sense so:
- Assegureu-vos el ampel lifier està encès i puja el volum.
- Verify that the correct input source is selected (BT, PHONO, RCA).
- Check all cable connections (power, speakers, audio sources) for secure fit and correct polarity.
- If using Bluetooth, ensure the device is paired and the PC/phone output is set to the ampmés viu.
- So distorsionat:
- Reduce the volume level from both the amplificador i el dispositiu font.
- Check speaker impedance compatibility.
- Ensure vacuum tubes are properly seated.
- Humming/Noise:
- If using MM Phono, ensure the turntable's ground wire is connected to the amplifier's GND terminal.
- Comproveu si hi ha interferències d'altres dispositius electrònics.
- Assegureu-vos que tots els cables estiguin ben apantallats i connectats.
- Bluetooth Disconnection/Failure to Pair:
- Assegureu-vos que l'antena Bluetooth estigui ben connectada.
- Move the source device closer to the ampmés viu.
- Forget the device on your source's Bluetooth settings and try pairing again.
- Reinicieu tots dos amplificador i el dispositiu font.
Manteniment
- Neteja: Utilitzeu un drap suau i sec per netejar-lo ampl'exterior del lificador. No utilitzeu netejadors líquids ni dissolvents.
- Tubs de buit: The GE5752W vacuum tubes have a finite lifespan. If sound quality degrades or tubes fail to light up, they may need replacement. Contact customer support for compatible replacement tubes.
- Ventilació: Assegureu-vos el amplifier has adequate ventilation to prevent overheating. Do not block ventilation holes.
- Emmagatzematge: When not in use for extended periods, disconnect the power adapter and store the amplifier in a cool, dry place.
Informació de seguretat
- No exposar el amplifier to water, moisture, or extreme temperatures.
- No obriu el amplificador casing. There are no user-serviceable parts inside, and doing so voids the warranty and poses a risk of electric shock.
- Use only the provided power adapter or a compatible replacement specified by the manufacturer.
- Mantenir el amplifier away from children and pets.
- Desconnecteu l'alimentació durant tempestes amb llamps o quan no es faci servir durant períodes prolongats.
Garantia i Suport
Nobsound products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official Nobsound weblloc web. Si us plau, tingueu a mà el número de model (X1) i els detalls de compra quan us poseu en contacte amb el servei d'assistència.
