1. はじめに
The JBL GT5-10D is a 10-inch dual-voice-coil subwoofer designed for car audio systems. It features a vented motor structure and is engineered to deliver robust bass performance. This manual provides essential information for the proper setup, operation, and maintenance of your subwoofer.

図1: 前面 view of the JBL GT5-10D Subwoofer.
主な機能は次のとおりです。
- 10-inch Dual 4 Ohm GT5 Series Subwoofer
- Peak Power Handling: 1100 watts
- RMS Power Handling: 275 watts
- Recommended power range: 150 - 275 watts RMS
- Polypropylene woofer cone material
- Rubber-coated tinsel leads for enhanced durability
- Proprietary steel frame
2. セットアップとインストール
Proper installation is crucial for optimal performance and longevity of your JBL GT5-10D subwoofer. It is recommended that installation be performed by a qualified car audio professional.
2.1 筐体要件
The subwoofer is designed to operate within a suitable enclosure. Consult the specifications section for recommended enclosure volumes and types. Ensure the enclosure is robust and sealed properly to prevent air leaks, which can degrade sound quality.

Figure 2: Subwoofer dimensions for enclosure planning. The subwoofer measures 12"D x 12"W x 10"H.
2.2 デュアルボイスコイルの配線
The GT5-10D features dual 4-ohm voice coils, allowing for flexible wiring configurations to match your amp増幅器のインピーダンス要件。一般的な構成には以下が含まれます。
- 並列配線: Connect both voice coils in parallel for a 2-ohm load. This configuration typically draws more power from the amplifier。
- 直列配線: Connect both voice coils in series for an 8-ohm load. This configuration draws less power and is suitable for amplifiers that are not 2-ohm stable.
常にあなたの amp適合インピーダンス負荷と配線図については、サブウーファーのマニュアルを参照してください。配線を誤ると、サブウーファーとサブウーファーの両方が損傷する可能性があります。 amplifier。

図3:側面 view of the subwoofer, illustrating the terminal connections for wiring.
2.3電源接続
サブウーファーを適切な amplifier using high-quality speaker wire. Ensure proper polarity (+ to + and - to -) to avoid phase issues that can negatively impact sound quality. The subwoofer is designed for wired connectivity, typically via RCA inputs from your head unit to the amplifier, and then speaker wire from the ampサブウーファーへのリファイア。
3. 操作手順
Once installed and wired correctly, the JBL GT5-10D subwoofer will enhance your car audio system's bass response. The primary control for the subwoofer will be through your car's head unit or external ampライファイアーコントロール。
3.1 初期電源投入と調整
- オーディオ システムの電源を入れる前に、すべての接続が安全であることを確認してください。
- まずは amplifier's gain control set to its minimum (lowest) setting.
- Play a piece of music with a good bass range.
- ゆっくりと増やします amp歪みなく希望の低音レベルが達成されるまで、リファイアのゲインを調整します。
- ローパスフィルター(LPF)を調整します ampサブウーファーの出力をメインスピーカーとシームレスにブレンドするには、スピーカーまたはヘッドユニットを使用します。一般的な開始点は80~100Hz程度です。
- If your system includes a phase control, experiment with 0° and 180° settings to find the one that provides the most impactful and coherent bass.
While the product specifications mention "Touch" as a control method, for a passive subwoofer like the GT5-10D, this typically refers to controls on the connected amplifier or head unit, not directly on the subwoofer itself.
4. メンテナンス
The JBL GT5-10D subwoofer is built for durability, but proper care will ensure its long-term performance.
- クリーニング: サブウーファーのコーンとサラウンドは、柔らかく乾いた布で拭いてください。刺激の強い化学薬品や過度の湿気の使用は避けてください。
- 検査: Periodically check the speaker terminals and wiring for any signs of corrosion or loose connections. Ensure the rubber-coated tinsel leads are intact, as they protect against wear.
- 環境要因: While designed for car environments, extreme temperatures and direct sunlight can affect performance over time. Ensure adequate ventilation around the subwoofer.
5。 トラブルシューティング
If you experience issues with your JBL GT5-10D subwoofer, refer to the following common problems and solutions:
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| サブウーファーから音が出ない |
|
|
| Distorted or "Muddy" Bass |
|
|
| Weak or Lackluster Bass |
|
|
問題が解決しない場合は、プロのカーオーディオ技術者にご相談ください。
6. 仕様
| 特徴 | 詳細 |
|---|---|
| モデル名 | GT5-10D |
| スピーカータイプ | サブウーファー |
| サブウーファーの直径 | 10インチ |
| スピーカー最大出力 | 1100 ワット (ピーク) |
| RMS電力処理 | 275ワット |
| インピーダンス | Dual 4 Ohms (can be wired to 2 or 8 ohms) |
| ウーファーコーン素材 | ポリプロピレン |
| 製品寸法 | 奥行き12インチ x 幅12インチ x 高さ10インチ |
| アイテム重量 | 13.2 ポンド |
| 接続技術 | Wired (RCA or 3.5mm audio jack to amplifier) |
| メーカー | ハーマンカードン |
| 商品型番 | GT5-10D |
| 欧州連合 | 050036931007 |
7. Understanding Your Subwoofer (Video)
This video provides additional insights into the design and technology behind JBL and Infinity speakers, including concepts relevant to your subwoofer's performance, such as materials and cone design.
Video 1: JBL & Infinity Speakers and Subwoofers: Bigger Bass. This video explains the importance of speaker materials and cone design for improved bass response and durability.
8. 保証とサポート
The JBL GT5-10D subwoofer comes with a standard manufacturer's warranty. Please refer to the warranty documentation included with your product for specific terms, conditions, and registration information. For technical support or service inquiries, please contact JBL customer service or visit the official JBL webサイト。
Manufacturer: Harman Kardon





