1. 서론
The Douk Audio Nobsound NS-02E is a compact and versatile vacuum tube headphone amplifier designed to enhance your audio experience. It features an anodized aluminum chassis and a replaceable vacuum tube with blue illumination. This amplifier delivers a soft and warm sound while maintaining exceptional clarity, making it suitable for various audio setups.
The NS-02E can function as a dedicated headphone amplifier or as a tube pre-amplifier, allowing integration with existing power amplifiers to improve musicality and dynamic range. Its design supports easy tube replacement, offering flexibility for sound customization.
2. 패키지 내용
다음 품목이 패키지에 포함되어 있는지 확인하세요.
- 1 × Nobsound NS-02E Headphone Amp리퍼
- 1 × Power Supply Adapter
- 1 × 6N3 Vacuum Tube (pre-installed or separate)
- 1 × Audio Cable (3.5mm to 3.5mm)
3. 제품 오버view
The NS-02E features a robust anodized aluminum chassis, providing durability and a sleek aesthetic. The visible vacuum tube is illuminated with a blue light when powered on, adding to its unique appeal. The front panel includes a volume control knob and 3.5mm input/output jacks, while the rear panel houses the power input.
이미지: 앞면 view of the Nobsound NS-02E Headphone Amplifier, highlighting its anodized aluminum chassis and the illuminated vacuum tube.
Image: The Nobsound NS-02E amplifier shown with its compact dimensions (90x90x39mm), illustrating its small footprint.
4. 설정 지침
Follow these steps to set up your Nobsound NS-02E amp정수기:
- Tube Installation (if not pre-installed): Gently insert the 6N3 vacuum tube into the socket on top of the amplifier. Ensure the pins align correctly with the socket holes and push down firmly but carefully until it is seated.
- 오디오 입력 연결: Use the provided 3.5mm audio cable to connect your audio source (e.g., smartphone, computer, iPod, stereo system) to the 'In' jack on the front panel of the NS-02E.
- 헤드폰 연결: 헤드폰을 연결하세요 'Out' jack on the front panel of the NS-02E. The amplifier supports headphones with impedance ranging from 18 to 600 ohms.
- 전원 연결: Connect the power supply adapter to the DC 6V input jack on the rear panel of the amp앰프를 설치한 후, 전원 어댑터를 적절한 벽면 콘센트에 꽂으세요.
- 초기 볼륨 설정: Before powering on, turn the volume knob counter-clockwise to its minimum setting to prevent sudden loud sounds.
Image: Connection diagram illustrating how to connect various audio sources (iPod, smartphone, computer) to the 'In' port and headphones or active speakers to the 'Out' port of the NS-02E.
사전 준비 단계로 사용하기Amp정수기:
To use the NS-02E as a pre-amplifier, connect your audio source to the 'In' jack as described above. Then, connect the 'Out' jack of the NS-02E to the input of your power amplifier or active speaker system. This configuration allows the NS-02E to process the audio signal before it reaches your main amp합리화 시스템.
5. 사용 설명서
- 전원 켜기: After all connections are made, press the power button (if available, otherwise it powers on when connected to power). The vacuum tube will illuminate with a blue light, indicating the unit is powered on.
- 볼륨 조절: Slowly turn the volume knob clockwise to increase the sound level to your desired listening volume.
- 즐기다: Begin playing audio from your connected source.
- 전원 끄기 : 끄려면 amplifier, disconnect the power supply from the wall outlet or press the power button if present.
6. 유지관리
튜브 교체
The default 6N3 vacuum tube can be replaced with various compatible tubes to customize the sound signature. To replace the tube:
- 전원 끄기 및 연결 해제: 확인하십시오 amplifier is powered off and disconnected from the power supply. Allow the tube to cool down completely before handling.
- 오래된 튜브 제거: Gently grasp the existing tube and pull it straight up from its socket. Avoid twisting or bending the pins.
- 새로운 튜브 삽입: Carefully align the pins of the new tube with the holes in the socket. Gently push the tube straight down until it is fully seated. Do not force it.
호환 가능한 튜브 유형:
- 미국: 6A8Q, 2C51, 5670, 5185, 6385, 6185, WE396
- 유럽: 전도서 42장
- Soviet Union: 6H3N, 6H3II
- 독일: ECF82
- 체코 공화국: 6CC42
Image: The Nobsound NS-02E amplifier with a separate vacuum tube, demonstrating the user's ability to replace the default tube with other compatible models for sound customization.
일반 관리
- 유지하다 amplifier in a clean, dry environment, away from direct sunlight, heat sources, and moisture.
- 본체는 부드럽고 마른 천으로 닦으십시오. 액체 세척제나 연마제를 사용하지 마십시오.
- 무거운 물건을 위에 올려놓지 마세요. amp리퍼.
7. 문제 해결
If you encounter issues with your NS-02E amplifier의 경우, 다음의 일반적인 문제와 해결책을 참조하세요.
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 소리가 나지 않습니다 |
|
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| Distorted or static sound |
|
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| 윙윙거리는 소리 |
|
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| Blue tube illumination not working |
|
|
8. 사양
| 특징 | 사양 |
|---|---|
| 모델 | Nobsound NS-02E |
| 튜브 타입 | 6N3 (default), replaceable |
| 출력 전력 | ≥1100mW(32옴) |
| Adapter Headphone Impedance | 18-600 옴 |
| 총 고조파 왜곡률(THD) | <0.005% |
| 신호 대 잡음비 (SNR) | ≥110 dB |
| 주파수 응답 | 20Hz ~ 30kHz |
| 치수(L×W×H) | 90 × 90 × 39mm (3.54 × 3.54 × 1.54 인치) |
| Height with Tube and Feet | 80mm (XNUMXmm) |
| 순중량 | 165g(0.36파운드) |
| Input/Output Audio Jacks | 3.5mm (XNUMXmm) |
| 섀시 소재 | 알류미늄 |
9. 보증 및 지원
For warranty information and technical support, please refer to the documentation provided with your purchase or contact Douk Audio customer service directly. Contact details can typically be found on the manufacturer's official web사이트나 소매업체를 통해 구매하세요.