Alpine S2-S69 Next-Generation S-Series 6x9 Coaxial Speaker Set Instruction Manual

1. はじめに

This manual provides essential information for the proper installation, operation, and maintenance of your Alpine S2-S69 Next-Generation S-Series 6x9 Coaxial Speaker Set. The S2-S69 speakers are designed to deliver high-resolution audio with reliable performance and immersive bass, featuring a 6x9-inch woofer and integrated 1-inch tweeters. Please read this manual thoroughly before attempting installation or operation.

2. 箱の中身

インストールを開始する前に、すべてのコンポーネントが揃っていることを確認してください。

• S2-S69 owner's manual
• 2つの双方向スピーカー
• 2 Bottom mount brackets
• Two 12'' Lengths of speaker wire
• Eight 1-1/8'' Screws
• Eight M4x60mm Machine screws
• Eight M4 Nuts
• 8スピードクリップ
• 16平ワッシャー
• 8スペーサー
• 保証情報
• Online product registration information

3. セットアップとインストール

Proper installation is crucial for optimal performance and longevity of your speakers. It is highly recommended that installation be performed by a qualified professional. Refer to the detailed wiring diagrams and mounting instructions provided in the included S2-S69 owner's manual for specific vehicle applications.

3.1 取り付けに関する考慮事項

The S2-S69 speakers are designed for door mount applications. Ensure adequate clearance for the speaker depth and diameter. The overall dimensions are approximately 5.6 inches (D) x 10.9 inches (W) x 15.8 inches (H).

Figure 1: Alpine S2-S69 speaker with key dimensions.

For additional protection against potential damage, the KTE-S69G Speaker Grille (sold separately) is compatible with this speaker set.

3.2配線

Connect the speakers to your car audio system using the provided speaker wire. Ensure correct polarity (+ to + and - to -) to prevent phase issues that can negatively impact sound quality. Refer to your head unit or amplifier manual for specific wiring instructions.

図2：背面 view of the Alpine S2-S69 speaker, highlighting wiring terminals.

4. 操作手順

Once properly installed, your Alpine S2-S69 speakers are ready for use. These speakers are designed to deliver a high-fidelity audio experience.

4.1 オーディオ再生

Connect your audio source (e.g., smartphone, tablet, MP3 player, car head unit) to your car's audio system. The S2-S69 speakers will reproduce sound from the connected source. Adjust volume levels gradually to avoid sudden loud outputs.

4.2 音質機能

• ハイレゾオーディオ認定: The speakers are certified for Hi-Res Audio, supporting frequencies up to 40kHz for a detailed and natural listening experience.
• HAMR Surround: Alpine's High Amplitude Multi-Roll (HAMR) Surround technology allows for maximum cone movement, contributing to powerful and precise bass reproduction.
• Clean, Accurate Audio: The construction utilizes Poly Propylene, Glass Fiber, and Mica Cone materials for high output and low distortion, ensuring clear sound reproduction.

Figure 3: Speaker cone and surround detail for clean audio.

図4: 前面 view of the Alpine S2-S69 speaker.

5. メンテナンス

To ensure the longevity and optimal performance of your Alpine S2-S69 speakers, follow these simple maintenance guidelines:

• クリーニング： Gently wipe the speaker grilles and cones with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or harsh chemicals, as these can damage the speaker materials.
• 検査： Periodically inspect the speaker surrounds and cones for any signs of damage, such as tears or cracks. Check wiring connections to ensure they remain secure.
• 環境： While the speakers are durable, avoid exposing them to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture. Note that the product is not waterproof.

6。 トラブルシューティング

If you encounter issues with your Alpine S2-S69 speakers, refer to the following common troubleshooting steps:

6.1 スピーカーから音が出ない

• 接続を確認してください: すべてのスピーカーケーブルがスピーカーと amplifier/head unit. Verify correct polarity.
• 力： Confirm that your car audio system (head unit, amp（liifier）の電源がオンになっていて、正常に機能していることを確認します。
• ソースユニット: Check the audio source (radio, CD, Bluetooth device) to ensure it is playing and not muted.
• Ampリファイアー設定: 外付けを使用する場合 amplifier, check its power, gain, and crossover settings. Ensure the amplifier は保護モードではありません。

6.2 歪んだ音や不明瞭な音

• 音量レベル: ヘッドユニットの音量を下げるか、 amplifier. Distortion often occurs when the audio signal is overdriven.
• ゲイン設定: ゲイン設定を調整します ampゲインを高く設定しすぎると歪みが生じる可能性があります。
• イコライザー設定: Review your head unit's or amplifier's equalizer settings. Excessive bass or treble boost can lead to distortion.
• 配線： Inspect speaker wires for any frayed strands or short circuits.
• 物理的ダメージ: Visually inspect the speaker cones and surrounds for any physical damage.

6.3 Weak or Missing Bass

• 極性： Incorrect wiring polarity can cause bass cancellation. Double-check that all speakers are wired with correct positive and negative connections.
• クロスオーバー設定: 使用する場合 amplifier with a built-in crossover, ensure it is set appropriately for full-range speakers or a low-pass filter is not engaged too high.
• 囲い： Ensure the speakers are securely mounted and the mounting location is sealed to prevent air leaks, which can reduce bass response.

7. 仕様

The following table outlines the key technical specifications for the Alpine S2-S69 Coaxial Speaker Set:

8. 保証情報

The Alpine S2-S69 Coaxial Speaker Set comes with a 1年間のメーカー保証. This warranty covers defects in materials and workmanship under normal use. Please refer to the warranty information included in your product packaging for full terms and conditions. Online product registration is available and recommended to activate your warranty and receive important product updates.

9. サポート

For further assistance, technical support, or inquiries regarding your Alpine S2-S69 speakers, please visit the official Alpine website or contact Alpine customer service. Contact information can typically be found on the Alpine webサイトまたは付属の製品ドキュメントに記載されています。