Douk Audio P1 GE5654 Tube Preamp 사용 설명서

1. 서론

The Douk Audio P1 is a versatile HiFi vacuum tube preamplifier, USB DAC, and headphone amplifier designed to deliver a clear, warm, dynamic, and sweet audio experience. It supports multiple audio inputs and outputs, making it suitable for various home audio systems.

2. 주요 특징

• Multi-functional device: Functions as a HiFi tube preamplifier, USB DAC, and headphone amp리퍼.
• High-quality sound: Delivers clear, warm, dynamic, and sweet audio for a premium listening experience.
• Multiple audio inputs: Supports Bluetooth, USB, and RCA connections.
• Dual audio outputs: Provides RCA and 3.5mm headphone outputs.
• Bluetooth 5.0 with APTX, APTX-LL, and APTX-HD: Ensures lossless audio transmission for high-fidelity wireless streaming.
• PC-USB (CM6642) support: Compatible with 24bit 192KHz audio, supporting Windows, Mac, and Linux systems.
• 헤드폰 amplifier: Utilizes two NE5532 classic 47 headphone amp architecture, capable of driving 32-300 ohm headphones.
• Tone control bypass: Features a bypass switch to enable/disable tone controls (treble and bass knobs) for original sound or detailed adjustment.
• Wide compatibility: Connects to various stereo home audio devices such as iPods, smartphones, MP3 players, TVs, Blu-ray players, Echo Dot, and CD players.

3. 패키지 내용

다음 항목에 대한 상자를 체크해 주세요.

• 1 x P1 Preamp 단위
• 2 x GE5654 Vacuum Tubes
• 1 x DC 12V 전원 어댑터
• 1 x USB 케이블
• 1 x 블루투스 안테나
• 1 x 사용자 설명서

Image: Douk Audio P1 package contents including the preamp unit, vacuum tubes, power adapter, USB cable, and Bluetooth antenna.

4. 제품 오버view

4.1 전면 패널

이미지: 앞면 view of the Douk Audio P1, showing the power button, input selector, tone controls (bass, volume, treble), tone bypass switch, LED indicator, and headphone output.

• 전원 버튼: 기기를 켜거나 끄려면 누릅니다.
• 입력 선택기 : Switch between Bluetooth (BT), USB, and RCA inputs.
• 톤 컨트롤:
  • 베이스 노브: 저주파 출력을 조절합니다.
  • 볼륨 노브: 전체 출력 볼륨을 제어합니다.
  • 고음 노브: 고주파 출력을 조절합니다.
• Tone Bypass Switch: Toggles tone controls (Bass/Treble) ON/OFF. When OFF, tone controls are bypassed for a pure signal path.
• LED 표시등: Displays current input mode (Blue for Bluetooth, Orange for USB, Red for RCA).
• 3.5mm 헤드폰 출력: Connect headphones (TRRS port not supported).

4.2 후면 패널

이미지: 후면 view of the Douk Audio P1, showing PC-USB input, RCA inputs, RCA outputs, DC 12V power input, and Bluetooth antenna port.

• PC-USB 입력: Connect to a computer for USB DAC functionality.
• RCA 입력(좌/우): Connect external audio sources via RCA cables.
• RCA 출력(L/R): 전원에 연결 amp리파이어 또는 액티브 스피커.
• DC 12V 전원 입력: 제공된 12V 전원 어댑터를 연결하세요.
• 블루투스 안테나 포트: Attach the included Bluetooth antenna for wireless connectivity.

5. 설정 지침

5.1 Installing Vacuum Tubes

The P1 unit comes with two GE5654 vacuum tubes. Follow these steps to install them:

1. 튜브 소켓 주변의 금속 링을 시계 반대 방향으로 돌려 조심스럽게 제거하십시오.
2. Gently straighten the pins of each vacuum tube if they are bent.
3. Align the pins of the vacuum tube with the corresponding holes in the socket. Ensure correct orientation.
4. Gently push the tube into the socket until it is firmly seated. Do not force it.
5. 튜브를 고정하려면 금속 링을 시계 방향으로 다시 조여주세요.

5.2 전원 연결

1. Connect the provided DC 12V power adapter to the "DC 12V" input port on the rear panel of the P1.
2. 전원 어댑터를 적합한 벽면 콘센트에 꽂으세요.

5.3 블루투스 안테나 연결

Screw the included Bluetooth antenna into the antenna port on the rear panel. Ensure it is securely tightened for optimal signal reception.

6. 사용 설명서

6.1 전원 켜기/끄기

Press the Power button on the front panel to turn the P1 unit ON or OFF. The vacuum tubes will glow once powered on.

6.2 입력 소스 선택

Use the Input Selector button on the front panel to cycle through the available input sources: Bluetooth (BT), USB, and RCA. The LED indicator will change color to show the active input:

• 파란색: 블루투스 입력
• 주황색: USB 입력
• 빨간색: RCA 입력

6.3 블루투스 연결

1. Select Bluetooth input using the Input Selector. The LED will turn blue and blink, indicating pairing mode.
2. On your audio device (smartphone, tablet, etc.), enable Bluetooth and search for "BT HIFI AUDIO".
3. Select "BT HIFI AUDIO" to pair. Once connected, the blue LED will stop blinking and remain solid.
4. If you encounter issues, clear previous Bluetooth connections on your device and the P1 unit (see Troubleshooting).

6.4 USB DAC 연결

Connect the P1 to your computer using the provided USB cable. Select USB input on the P1. Your computer should automatically recognize the P1 as an audio output device. Select it in your sound settings.

6.5 RCA Input/Output

Use RCA cables to connect external audio sources (e.g., CD player, TV) to the RCA input ports. Connect the RCA output ports to a power amp리파이어 또는 액티브 스피커.

Image: The Douk Audio P1 connected to a laptop via USB and to speakers via RCA, demonstrating its versatile connectivity options.

6.6 볼륨 및 톤 조정

• 볼륨 노브: 시계 방향으로 돌리면 소리가 커지고, 시계 반대 방향으로 돌리면 소리가 작아집니다.
• 베이스 노브: Adjusts the level of low frequencies.
• 고음 노브: Adjusts the level of high frequencies.
• Tone Bypass Switch: Flip this switch to bypass the Bass and Treble controls. This provides a direct, unaltered audio signal.

7. 유지관리

7.1 튜브 교체

The GE5654 vacuum tubes can be replaced with compatible tubes such as 6J1, 6J2, 6J3, 6J4, 6J5, 6*1N, 6AK5, and similar types to customize the sound profile. Always ensure the unit is powered off and unplugged before replacing tubes. Follow the installation steps in Section 5.1.

Image: Close-up of the Douk Audio P1 showing the GE5654 vacuum tubes, which can be replaced for sound customization.

7.2 청소

부드럽고 마른 천으로 제품을 닦으십시오. 액체 세척제나 용제를 사용하지 마십시오.

8. 사양

9. 문제 해결

• 소리 없음:
  • Ensure the power adapter is securely connected and the unit is powered ON.
  • Check all audio cables (RCA, USB, headphone) are correctly connected.
  • Verify the correct input source is selected on the P1 (check LED color).
  • 볼륨 노브를 조정합니다.
  • If using Bluetooth, ensure the device is paired and connected. Try clearing Bluetooth history on both devices and re-pairing.
• 왜곡된 소리:
  • Reduce the volume on both the P1 and the source device.
  • 오디오 케이블에 손상이나 연결 불량이 있는지 확인하십시오.
  • Ensure the vacuum tubes are properly seated.
• 블루투스 페어링 문제:
  • Ensure the P1 is in Bluetooth pairing mode (blinking blue LED).
  • Clear "BT HIFI AUDIO" from your device's Bluetooth history and try pairing again.
  • Move closer to the P1 unit to ensure a strong signal.
• Tubes Not Glowing:
  • Ensure the unit is powered ON.
  • Check if the tubes are properly seated in their sockets.

10. 안전 정보

• 장치를 물이나 과도한 습기에 노출시키지 마십시오.
• 장치를 열원 근처나 직사광선에 노출시키지 마십시오.
• 제품을 직접 열거나 수리하려고 하지 마십시오. 모든 수리는 자격을 갖춘 전문가에게 맡기십시오.
• 어린이의 손이 닿지 않는 곳에 보관하세요.
• 제공된 전원 어댑터만 사용하세요.

11. 보증 및 지원

For warranty information, technical support, or service inquiries, please contact Douk Audio customer support through your retailer or visit the official Douk Audio web사이트. 보증 청구를 위해 구매 증빙 자료를 보관하세요.