Nobsound Douk Audio X1 GE5752 Bluetooth 5.0 Vacuum Tube Ampliifier Instruction Manual

Introduction

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 ampөмүрлүү.

Пакеттин мазмуну

• Douk Audio X1 Ampкөтөргүч бирдиги
• GE5752W Vacuum Tubes (pre-installed or to be installed)
• 32V / 5A кубат адаптери
• Bluetooth антеннасы
• Колдонуучунун Колдонмосу (бул документ)

Please check all contents upon unboxing. If any items are missing or damaged, contact customer support.

Продукт бүттүview

Алдыңкы панелдин башкаруу элементтери

Сүрөт: Фронт 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.

1. Кубат которгучу: бурат ampөмүрдү күйгүзүү же өчүрүү.
2. Киргизүү которгучу: Selects the audio input source (Bluetooth, MM Phono, RCA).
3. Bass Boost Switch: Engages or disengages bass enhancement.
4. Тон которуу: Activates or deactivates the Bass and Treble tone controls.
5. Tube LED Switch: Controls the illumination color of the vacuum tubes (Blue, Off, Orange).
6. Басс баскычы: Adjusts the low-frequency output when Tone is 'On'.
7. Негизги үн баскычы: Жалпы чыгаруу көлөмүн көзөмөлдөйт.
8. Үч ыргытуу баскычы: Adjusts the high-frequency output when Tone is 'On'.

Арткы панелдик байланыштар

Сүрөт: Арткы 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.

1. MM PHONO Input: Connects to a turntable with an MM cartridge. Includes a GND (ground) terminal.
2. RCA/AUDIO IN: Connects to external audio sources via RCA cables (e.g., CD player, DAC, TV).
3. BT (Bluetooth) Antenna Port: Connects the included Bluetooth antenna for wireless audio reception.
4. ЧЫГУУ: Connects to an active subwoofer for a 2.1 channel audio setup.
5. Спикердин чыгышы: Connects to passive speakers (Left and Right channels).
6. DC IN (19V-35V): Берилген кубат адаптерин туташтырат.

Жайгашуу

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. Динамиктерди бириктирүү

Пассивдүү динамиктериңизди туташтырыңыз СПИКЕРДИН ЧЫГЫШЫ 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.

Маанилүү коопсуздук эскертүүсү: 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 ampөмүрлүү.

3. Аудио булактарын туташтыруу

• MM Фоно киргизүү: Connect your turntable's RCA output to the MM PHONO input. Connect the turntable's ground wire to the GND терминалы amplifier to reduce hum.
• RCA киргизүү: Connect other audio devices (e.g., CD player, DAC, TV) to the RCA/AUDIO IN ports using RCA cables.
• Bluetooth киргизүү: 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 ЧЫГАРЫҢЫЗ боюнча порт ampкөтөргүчтүн арткы панели.

5. Power Connection

Connect the provided 32V / 5A power adapter to the DC IN боюнча порт amplifier, then plug the adapter into a suitable wall outlet.

Сүрөт: The Douk Audio X1 amplifier set up with a turntable and bookshelf speakers, demonstrating a typical MM Phono input connection.

Иштөө нускамалары

1. Күйгүзүү/өчүрүү

басыңыз Power Switch буроо үчүн алдыңкы панелде amplifier on. The vacuum tubes will light up, and the Bluetooth indicator will flash if Bluetooth is selected. Press again to turn off.

2. Киргизүүнү тандоо

колдонуу Киргизүү которуу to select your desired audio source: BT Bluetooth үчүн, ТЕЛЕФОН for MM turntable, or RCA for other wired devices.

3. Үндү башкаруу

айлантыңыз Негизги үн баскычы to adjust the overall sound level. Start with a low volume and gradually increase it to a comfortable listening level.

4. Тон көзөмөлү

The amplifier features Bass and Treble controls. Flip the Tone Switch to 'On' to activate them. Then, use the Бас баскычы жана Үч ыргак баскычы 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

Кызыккан Bass Boost Switch to enhance the low-frequency output for a more impactful bass sound.

6. Bluetooth Жупташтыруу

• Тандоо 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.

Эскертүү: 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

колдонуу Tube LED Switch to change the illumination color of the vacuum tubes to Blue, Orange, or turn the LED off.

Сүрөт: The Douk Audio X1 amplifier receiving audio wirelessly from a smartphone via Bluetooth, with speakers connected.

Техникалык шарттар

Проблемаларды чечүү

• Үн жок:
  • камсыз кылуу ampкөтөргүч күйгүзүлүп, үнү көтөрүлөт.
  • 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 ampөмүрлүү.
• Бурмаланган үн:
  • Reduce the volume level from both the ampкөтөргүч жана баштапкы түзүлүш.
  • Динамиктин импеданс шайкештигин текшериңиз.
  • Ensure vacuum tubes are properly seated.
• Humming/Noise:
  • If using MM Phono, ensure the turntable's ground wire is connected to the ampкөтөргүчтүн GND терминалы.
  • Башка электрондук шаймандардын кийлигишүүсүн текшериңиз.
  • Бардык кабелдер туура корголгондугун жана туташтырылганын текшериңиз.
• Bluetooth ажыратуу/жупташпай калуу:
  • Bluetooth антеннасынын бекем орнотулганын текшериңиз.
  • Баштапкы түзмөктү төмөнкүгө жакындатыңыз ampөмүрлүү.
  • Forget the device on your source's Bluetooth settings and try pairing again.
  • Экөөнү тең кайра иштетиңиз ampкөтөргүч жана баштапкы түзүлүш.

Техникалык тейлөө

• Тазалоо: Тазалоо үчүн жумшак, кургак чүпүрөктү колдонуңуз amplifier's exterior. Do not use liquid cleaners or solvents.
• Вакуумдук түтүктөр: 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.
• Вентиляция: камсыз кылуу amplifier has adequate ventilation to prevent overheating. Do not block ventilation holes.
• Сактагыч: When not in use for extended periods, disconnect the power adapter and store the amplifier in a cool, dry place.

Коопсуздук маалыматы

• ачыкка чыгарбагыла amplifier to water, moisture, or extreme temperatures.
• ачпагыла ampкөтөргүч 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.
• сактаңыз amplifier away from children and pets.
• Чагылган бороондордо же көпкө колдонулбаганда электр энергиясын өчүрүңүз.

Кепилдик жана колдоо

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 website. Please have your model number (X1) and purchase details ready when contacting support.