Увод
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 ampлифиер.
Садржај пакета
- Douk Audio X1 AmpЛифиер Унит
- GE5752W Vacuum Tubes (pre-installed or to be installed)
- 32В / 5А адаптер за напајање
- Блуетоотх антена
- Кориснички приручник (овај документ)
Please check all contents upon unboxing. If any items are missing or damaged, contact customer support.
Производ је завршенview
Контроле предњег панела

слика: 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.
- Прекидач: Окреће amplifier uključen ili isključen.
- Прекидач улаза: Selects the audio input source (Bluetooth, MM Phono, RCA).
- Bass Boost Switch: Engages or disengages bass enhancement.
- Прекидач тона: Activates or deactivates the Bass and Treble tone controls.
- Tube LED Switch: Controls the illumination color of the vacuum tubes (Blue, Off, Orange).
- Бас дугме: Adjusts the low-frequency output when Tone is 'On'.
- Главно дугме за јачину звука: Контролише укупну излазну јачину звука.
- Високотонско дугме: Adjusts the high-frequency output when Tone is 'On'.
Прикључци задњег панела

слика: Позади 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.
- ММ фоно улаз: 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.
- СУБ ОУТ: Connects to an active subwoofer for a 2.1 channel audio setup.
- ИЗЛАЗ ЗВУЧНИКА: Connects to passive speakers (Left and Right channels).
- DC IN (19V-35V): Connects the provided power adapter.
Сетуп
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. Повезивање звучника
Повежите своје пасивне звучнике на ИЗЛАЗ ЗВУЧНИКА 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.
Важна безбедносна напомена: 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 ampлифиер.
3. Повезивање аудио извора
- ММ Пхоно улаз: Connect your turntable's RCA output to the ММ ПХОНО input. Connect the turntable's ground wire to the ГНД терминал на ampсредство за смањење зујања.
- РЦА улаз: Connect other audio devices (e.g., CD player, DAC, TV) to the RCA/AUDIO IN ports using RCA cables.
- Блуетоотх улаз: Screw the provided Bluetooth antenna onto the BT прикључак за антену.
4. Connecting an Active Subwoofer (Optional)
If you wish to use an active subwoofer, connect its input to the СУБ ОУТ лука на ampзадња плоча спасиоца.
5. Прикључак за напајање
Connect the provided 32V / 5A power adapter to the ДЦ ИН лука на amplifier, then plug the adapter into a suitable wall outlet.

слика: The Douk Audio X1 amplifier set up with a turntable and bookshelf speakers, demonstrating a typical MM Phono input connection.
Упутство за употребу
1. Укључивање/искључивање
Притисните тастер Прекидач за напајање на предњој плочи да бисте укључили amplifier on. The vacuum tubes will light up, and the Bluetooth indicator will flash if Bluetooth is selected. Press again to turn off.
2. Избор улаза
Користите Инпут Свитцх to select your desired audio source: BT for Bluetooth, ПХОНО for MM turntable, or РЦА for other wired devices.
3. Контрола јачине звука
Ротирајте Главно дугме за јачину звука to adjust the overall sound level. Start with a low volume and gradually increase it to a comfortable listening level.
4. Контрола тона
Тхе amplifier features Bass and Treble controls. Flip the Тоне Свитцх to 'On' to activate them. Then, use the Басс Кноб и Требле Кноб 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
Ангажујте Прекидач за појачавање баса to enhance the low-frequency output for a more impactful bass sound.
6. Блуетоотх упаривање
- Изаберите 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.
Напомена: 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
Користите Tube LED Switch to change the illumination color of the vacuum tubes to Blue, Orange, or turn the LED off.

слика: The Douk Audio X1 amplifier receiving audio wirelessly from a smartphone via Bluetooth, with speakers connected.
Спецификације
| Феатуре | Спецификација |
|---|---|
| Модел | X1 |
| Модел вакуумске цеви | GE5752W |
| Ampлифиер ИЦ | ТДА7498Е |
| Оп-Amp | НЕ5532 |
| Максимална излазна снага | 160W + 160W (4Ω) |
| Блуетоотх верзија | 5.0 |
| Аудио улази | Bluetooth, Stereo RCA, MM Phono |
| Аудио излази | 2.0 Channel Speaker Output, Active Subwoofer Output |
| Повер Суппли | DC 32V / 5A (included) |
| Димензије (приближно) | 31.8 к 28 к 8 цм |
| Тежина (приближно) | 1.46 кг |
| Друге функције | Tone Control (Bass/Treble), Bass Boost, Tube LED Illumination, Short Circuit Protection |
Решавање проблема
- Нема звука:
- Осигурајте ampЛифиер је укључен и јачина звука је појачана.
- 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 ampлифиер.
- Изобличен звук:
- Смањите јачину звука са оба ampуређај за подизање и изворни уређај.
- Проверите компатибилност импедансе звучника.
- 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.
- Проверите да ли има сметњи од других електронских уређаја.
- Уверите се да су сви каблови правилно заштићени и повезани.
- Прекид везе са Bluetooth-ом/неуспех упаривања:
- Уверите се да је Блутут антена безбедно причвршћена.
- Move the source device closer to the ampлифиер.
- Forget the device on your source's Bluetooth settings and try pairing again.
- Поново покрените оба ampуређај за подизање и изворни уређај.
Одржавање
- Чишћење: За чишћење користите меку, суву крпу amplifier's exterior. Do not use liquid cleaners or solvents.
- Вакумске цеви: 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.
- вентилација: Осигурајте amplifier has adequate ventilation to prevent overheating. Do not block ventilation holes.
- Складиштење: When not in use for extended periods, disconnect the power adapter and store the ampотпадник на хладном и сувом месту.
Безбедносне информације
- Немојте излагати amplifier to water, moisture, or extreme temperatures.
- Не отварајте ampспасилац цasing. 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.
- Задржи amplifier away from children and pets.
- Искључите струју током грмљавине или када се уређај не користи дуже време.
Гаранција и подршка
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.