JBL Professional AM5212/95 12-Inch 2-Way Full-Range Loudspeaker System Instruction Manual

1。 オーバーview

The JBL Professional AM5212/95 is a high-performance, medium-power 12-inch, 2-way full-range loudspeaker system designed for various professional audio applications. This system incorporates advanced JBL technologies to deliver clear and powerful sound reproduction.

主な機能は次のとおりです。

• JBL Differential Drive® Low-Frequency Driver (262H) with 50.8 mm (2-inch) dual voice coil and dual magnetic gap.
• High-Frequency Compression Driver (2408H-1) with 38mm (1.5-inch) exit and 38mm (1.5-inch) voice-coil.
• 90° x 50° rotatable Progressive Transition™ waveguide for optimized coverage.
• Switchable Bi-Amp/Passive operation modes for flexible system integration.
• Durable enclosure with a white finish.

2. 安全情報

Please read and understand all safety instructions before installing or operating this loudspeaker system. Retain this manual for future reference.

• 電源: Connect the loudspeaker only to the type of power source indicated in the specifications or on the product.
• 換気： 適切な換気を確保してください。通気口を塞がないでください。
• 熱： ラジエーター、ヒートレジスター、ストーブ、その他の熱を発生する装置などの熱源の近くに設置しないでください。
• 水と湿気: この機器を雨や湿気にさらさないでください。水の近くで使用しないでください。
• クリーニング： 乾いた布でのみ清掃してください。
• サービス: この製品を自分で修理しようとしないでください。 すべてのサービスを資格のあるサービス担当者に依頼してください。
• 取り付け: If suspending the loudspeaker, ensure that all mounting hardware and structures are rated for the weight of the loudspeaker and installed by qualified personnel. Suspension eyebolts are not included and must be sourced separately.
• 聴覚保護: 高音圧レベルに長時間さらされると、永久的な聴覚障害を引き起こす可能性があります。大音量で操作する際はご注意ください。

3. セットアップ

3.1 パッケージ内容

パッケージに次の項目が含まれていることを確認してください。

• JBL Professional AM5212/95 Loudspeaker System
• 取扱説明書（本書）

Note: Suspension eyebolts are not included. The optional U-bracket model MTU-3 is sold separately.

3.2 取り付けと配置

The AM5212/95 can be installed in various configurations, including pole-mounting, wall-mounting with an optional U-bracket (MTU-3), or suspension. Always ensure that mounting surfaces and hardware can safely support the loudspeaker's weight (55 pounds / 24.9 kg).

• ポールマウント： The loudspeaker features a standard pole-mount socket for use with compatible speaker stands.
• U ブラケットの取り付け: For wall or ceiling mounting, the optional JBL MTU-3 U-bracket can be used. Follow the instructions provided with the MTU-3 bracket for secure installation.
• サスペンション： The enclosure is equipped with multiple M10 threaded points for suspension. Use only certified M10 eyebolts and ensure proper rigging techniques are employed by qualified personnel.

3.3 Waveguide Rotation

The 90° x 50° Progressive Transition™ waveguide can be rotated to optimize coverage depending on the loudspeaker's orientation (horizontal or vertical). To rotate the waveguide:

1. フロントグリルを慎重に取り外します。
2. Unscrew the mounting screws securing the waveguide.
3. Gently rotate the waveguide to the desired orientation.
4. Securely fasten the waveguide with the mounting screws.
5. Reattach the front grille.

3.4オーディオ接続

The AM5212/95 offers both Bi-Amp and Passive operation modes. Select the appropriate mode based on your amplifier and system configuration.

• パッシブモード： In passive mode, a single amplifier channel powers both the low-frequency and high-frequency drivers through the loudspeaker's internal crossover. Connect your amplifier output to the input connectors on the loudspeaker.
• バイAmp モード： バイでamp mode, separate amplifier channels are used for the low-frequency and high-frequency drivers, requiring an external electronic crossover. Ensure the internal Bi-Amp/Passive switch is set to Bi-Amp. Connect the low-frequency amplifier output to the LF input and the high-frequency amplifier output to the HF input.

Always use high-quality speaker cables with appropriate gauge for the cable length and power requirements.

4. 操作手順

4.1 電源投入と初期設定

1. Ensure all audio connections are secure and correctly configured for either Passive or Bi-Amp モード。
2. あなたの amplifier(s) are powered off and their volume controls are set to minimum.
3. Power on your audio source (mixer, processor, etc.).
4. 電源を入れます ampライファイア。
5. 徐々に増やして amplifier volume to the desired listening level.

4.2 バイAmp/Passive Mode Selection

バイAmp/Passive switch is located on the input panel of the loudspeaker. This switch determines how the internal crossover functions.

• 受け身： For single-amplifier channel operation with the internal crossover.
• バイAmp: デュアルの場合-amplifier channel operation with an external electronic crossover.

常に amplifier is powered off before changing this switch setting to prevent damage to the loudspeaker or amplifier。

5. メンテナンス

The JBL Professional AM5212/95 loudspeaker system requires minimal maintenance to ensure long-term performance.

• クリーニング： Use a soft, dry cloth to clean the exterior of the loudspeaker. Do not use abrasive cleaners, solvents, or harsh chemicals, as these may damage the finish or components.
• グリル: The front grille can be carefully removed for cleaning or waveguide rotation. Ensure it is reattached securely.
• 検査： すべてのケーブルとコネクタに摩耗や損傷の兆候がないか定期的に点検してください。損傷した部品は直ちに交換してください。
• ストレージ： If storing the loudspeaker for an extended period, keep it in a dry, temperature-controlled environment, protected from dust and physical impact.

6。 トラブルシューティング

If you experience issues with your AM5212/95 loudspeaker, refer to the following common problems and solutions:

これらの解決策を試しても問題が解決しない場合は、JBL Professional カスタマー サポートまたは資格のあるサービス技術者にお問い合わせください。

7. 仕様

Detailed technical specifications for the JBL Professional AM5212/95 loudspeaker system:

8. 保証とサポート

JBL Professional products are designed for reliability and performance. This product is covered by a limited warranty. For specific warranty terms and conditions applicable to your region, please refer to the warranty card included with your product or visit the official JBL Professional webサイト。

For technical support, service, or replacement parts, please contact your authorized JBL Professional dealer or distributor. You can also find additional resources and contact information on the official JBL Professional webサイト：

JBLプロフェッショナル公式 Webサイト