導入
The Douk Audio T14-EQ is a compact phono preamplifier designed to enhance the audio signal from your turntable, making it compatible with a wider range of audio systems. It features selectable MM (Moving Magnet) and MC (Moving Coil) modes, RIAA equalization, a built-in headphone amplifier, and tone controls for personalized sound adjustment. This manual provides detailed instructions for setup, operation, and troubleshooting to ensure optimal performance.
箱の中身
- T14-EQ Preamp ×1
- USB Cable (Type-C) ×1
製品の特徴
- MM & MC Compatibility: The T14-EQ supports both Moving Magnet (MM) and Moving Coil (MC) cartridges, allowing for versatile use with various turntables. A switch on the bottom of the unit allows selection between these modes. The integrated RIAA circuitry ensures accurate sound reproduction.
- Dual Outputs for Speakers & Headphones: プレを接続しますamp あなたの amplifier or powered speakers using the stereo RCA outputs. For private listening, a 3.5mm headphone jack is included, capable of driving headphones with impedances from 16Ω to 200Ω.
- Customizable Tone Control: Independent bass and treble knobs provide a ±5dB adjustment range, enabling users to fine-tune the audio output to their preference or to compensate for room acoustics and speaker characteristics.
- Ultra-Low Noise Performance: Designed with high-quality integrated circuits and a built-in power isolation module, the T14-EQ minimizes background hum and hiss, delivering a clean and detailed audio signal.
- コンパクトで便利なデザイン： Housed in a durable all-aluminum shell for interference shielding, the unit features gold-plated PCB and RCA terminals for optimal signal integrity. It is powered by a standard 5V USB source, offering flexible power options.
セットアップ手順
- MM/MC Mode Selection: Before connecting, locate the MM/MC switch on the bottom of the T14-EQ unit. Set it to match your turntable's cartridge type (Moving Magnet or Moving Coil). Incorrect selection may result in low volume or distorted sound.
Image: The bottom of the T14-EQ unit, highlighting the MM/MC selector switch. Ensure this switch matches your turntable's cartridge type. - Connect Turntable to PHONO IN: Connect your turntable's RCA output cables to the フォノイン (red for right, white for left) ports on the rear of the T14-EQ. Ensure a secure connection.
- アース線を接続する: Attach your turntable's ground wire to the ground terminal on the T14-EQ. This helps eliminate hum and noise.
Image: Detail of the PHONO IN RCA jacks and the ground terminal on the rear panel of the T14-EQ, showing where to connect the turntable's audio and ground wires. - 接続する Amplifier/Speakers (LINE OUT): 接続する ラインアウト (red for right, white for left) RCA ports of the T14-EQ to an available line-level input on your ampスピーカーまたはパワードスピーカー。
Image: Close-up of the LINE OUT RCA ports on the T14-EQ, indicating where to connect to an ampスピーカーまたはパワードスピーカー。 - 接続電源： Use the provided USB Type-C cable to connect the DC5V入力 port on the T14-EQ to a 5V USB power source (e.g., a wall charger, computer USB port, or power bank). The power indicator light on the front panel will illuminate.
Image: Detail of the DC 5V IN Type-C power input port on the rear of the T14-EQ. - ヘッドフォンを接続する（オプション）: If using headphones, plug them into the 3.5mm headphone jack on the front panel. Note that the headphone output has priority; when headphones are connected, the RCA line output will be muted.
Image: The 3.5mm headphone output jack and the power indicator light on the front panel of the T14-EQ.
操作手順
- 電源オン/オフと音量コントロール: The large knob on the right of the front panel serves as both the power switch and volume control. Rotate it clockwise to turn the unit on and increase volume. Rotate counter-clockwise to decrease volume and turn the unit off.
Image: The volume knob on the front panel of the T14-EQ, which also functions as the power switch. - Adjusting Tone Controls: 使用 BASS そして 高音 knobs to adjust the low and high frequencies of the audio output. Turn clockwise to boost, counter-clockwise to cut. Adjust these to suit your listening preference or room acoustics.
Image: The Bass and Treble adjustment knobs on the front panel of the T14-EQ. - レコードの再生: Place a record on your turntable, ensure the T14-EQ is powered on, and the volume is set to a low level. Start your turntable and carefully lower the tonearm onto the record. Adjust the volume and tone controls as desired.
メンテナンス
- Keep the unit clean by wiping with a soft, dry cloth.
- ユニットを直射日光、高温、湿気にさらさないでください。
- cを開こうとしないでくださいasing or modify the unit, as this will void the warranty and could cause damage.
- 動作中はユニット周囲の換気が適切であることを確認してください。
トラブルシューティング
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| 音声出力なし | Unit not powered on; incorrect connections; volume too low; MM/MC switch incorrect; headphones connected. | Ensure power is connected and unit is on. Check all RCA and ground connections. Increase volume. Verify MM/MC switch setting. Disconnect headphones if using RCA output. |
| ハミング音またはブザー音 | Ground wire not connected or loose; ground loop; interference from other electronics. | Ensure turntable ground wire is securely connected to the T14-EQ. Try connecting the ground wire to your amplifier's ground terminal if available. Move the unit away from other electronic devices. |
| 歪んだ音 | MM/MC switch incorrect; input signal too strong; faulty cables. | Verify MM/MC switch setting matches your cartridge. Reduce the output level from the turntable if possible (rare). Try different RCA cables. |
| Headphone output not working | Headphones not fully plugged in; volume too low. | Ensure headphones are fully inserted into the 3.5mm jack. Increase the volume. |
仕様
- モデル番号: XX-T14-EQ-US
- 商品の重量: 8オンス（約227g）
- 製品寸法: 3.31 x 3.31 x 1.1インチ（約84 x 84 x 28 mm）
- 対応デバイス: アクティブスピーカー、 Amplifier, Headphone, MM MC Turntable, Record Player
- コネクタタイプ: Phono, RCA
- 材質タイプ: Metal (All-aluminum shell)
- 出力ワットtage: 0.25 Watts (for headphone amplifier）
- 電源: コード式電気（USB 5V）
- 色： 黒
安全情報
- ユニットを水や湿気にさらさないでください。
- 指定された 5V USB 電源のみを使用してください。
- 本体の上に重いものを置かないでください。
- お子様の手の届かない場所に保管してください。
- 雷雨のときや長期間使用しない場合は電源を切ってください。
保証とサポート
For warranty information or technical support, please refer to the documentation included with your purchase or contact Douk Audio customer service directly through their official website or the platform where the product was purchased. Please have your model number (T14-EQ) and purchase details ready when contacting support.