導入
The Fusion AM Series marine amplifiers are specifically engineered for the demanding marine environment. This 4-channel amplifier delivers 500 watts of peak power, capable of driving up to four pairs of speakers or two pairs of speakers and one subwoofer. Its robust design incorporates Class-AB amplification, conformal coated PCBs, and an efficient heat sink for reliable performance on the water.

Figure 1: Fusion AM Series Marine Amplifier (Model MS-AM504). This image shows the top and side view の amplifier, highlighting its compact design and the input/output panel on the left side.
主な特徴
- クラスAB Ampリファイアの設計: Provides efficient power delivery with minimal audio distortion.
- Conformal Coated PCBs: Offers enhanced protection against marine elements, extending the ampライフファイアの寿命。
- 統合ヒートシンク: Ensures optimal heat dissipation for improved component reliability and sustained performance.
- 高度なオーディオコントロール: Features built-in variable bass boost, a subsonic filter, and variable crossover filters for precise audio tuning and system protection.
- 2 Ohm Stereo Stable: Capable of powering up to four pairs of speakers or a combination of two pairs of speakers and one subwoofer.
箱の中身
パッケージを開封したら、次のアイテムが含まれていることを確認してください。
- Fusion MS-AM504 Marine Ampリファイアー
- Product Documentation (User Manual, Warranty Information)
セットアップとインストール
適切な設置は、船舶の最適な性能と寿命を延ばすために重要です。 amplifier. It is recommended that installation be performed by a qualified marine electronics technician.
取り付けに関する考慮事項
- の ampライファイアは表面実装用に設計されています。
- Choose a location that is dry, well-ventilated, and protected from direct sunlight and excessive heat.
- 周囲に十分なスペースを確保する amplifier for air circulation, especially around the heat sink.
- Avoid mounting near heat sources or in areas where it may be exposed to direct water spray.
配線図(概念図)
Below is a conceptual overview of the wiring connections. Refer to the detailed wiring diagram in the full PDF user manual for precise instructions.
- 電源接続: 接続する amplifier to a stable 12V DC power source (12.25V nominal, up to 16V max) with appropriate gauge wiring and an inline fuse.
- アース接続: Ensure a solid ground connection to the boat's common ground point.
- リモート電源オン: Connect to the remote output of your marine stereo head unit.
- RCA入力: Connect audio signal cables from your head unit's pre-outs to the amplifier's RCA inputs (CH1/2, CH3/4).
- スピーカー出力: マリンスピーカーを amplifier's speaker terminals. Observe correct polarity and impedance (2 ohm stable).

図2: のクローズアップ amplifier's input/output panel. This view details the RCA inputs, speaker terminals, power connections, and control knobs for crossover and bass boost settings.
操作 Ampリファイアー
インストールしたら、 amplifier operates in conjunction with your marine stereo head unit. Adjustments can be made using the controls on the ampライファイアー自体。
オーディオ調整
- レベルコントロール: Adjusts the input sensitivity to match the output of your head unit. Start with the level control at minimum and slowly increase until desired volume is achieved without distortion.
- Crossover Filters (X-OVER SELECTOR):
- LP(ローパス): Allows only low frequencies to pass through, typically used for subwoofers. Adjustable from 40Hz to 160Hz.
- HP(ハイパス): Allows only high frequencies to pass through, typically used for full-range speakers. Adjustable from 40Hz to 600Hz.
- フラット: Disables the crossover filter, allowing all frequencies to pass through.
- 低音ブースト: Provides an adjustable bass enhancement from 0dB to +18dB, centered around 45Hz. Use sparingly to avoid distortion.
- 亜音速フィルター: Filters out extremely low frequencies (20Hz to 55Hz) that are below the audible range or harmful to subwoofers, improving sound quality and protecting speakers.
注記: Always make small adjustments and listen carefully to the audio output to prevent damage to speakers or the amplifier。
メンテナンス
The Fusion AM Series amplifier is designed for durability in the marine environment. Regular, simple maintenance can help ensure its long-term performance.
- クリーニング: 定期的に外側を拭く amp柔らかい、damp 布。 刺激の強い化学薬品や研磨剤の入ったクリーナーの使用は避けてください。
- 接続: Annually inspect all wiring connections (power, ground, remote, RCA, speaker) to ensure they are secure and free from corrosion. Tighten any loose connections.
- 換気: Ensure that the area around the amplifier's heat sink remains clear of obstructions to allow for proper airflow and cooling.
- 環境保護: While designed for marine use, minimizing exposure to direct saltwater spray and extreme temperatures will prolong the life of the unit.
トラブルシューティング
If you experience issues with your Fusion AM Series amplifier, consult the following common troubleshooting steps before seeking professional assistance.
| 問題 | 考えられる原因 | 解決 |
|---|---|---|
| 力がない/Amp電源が入らない | Blown fuse; Loose power/ground connection; Faulty remote turn-on wire. | Check and replace fuse; Verify all power and ground connections are secure; Test remote wire for 12V signal. |
| 音声出力なし | Loose RCA cables; Incorrect input level setting; Speaker wires disconnected or shorted; Head unit issue. | Ensure RCA cables are firmly connected; Adjust input level; Check speaker wiring for shorts or disconnections; Test head unit functionality. |
| 歪んだ音 | Input level too high; Speaker impedance mismatch; Damaged speakers; Incorrect crossover settings. | Reduce input level; Verify speaker impedance (2 ohm stable); Inspect speakers for damage; Adjust crossover settings. |
| Ampライファイア過熱 | Insufficient ventilation; Overloaded speakers; Low impedance load. | Ensure clear airflow around heat sink; Check speaker impedance; Reduce volume or number of speakers if overloaded. |
If the problem persists after attempting these solutions, contact Fusion customer support or a certified technician.
仕様
| 属性 | 価値 |
|---|---|
| モデル番号 | 010-01500-00 (MS-AM504) |
| 製品寸法(長さ x 幅 x 高さ) | 14.41 x 9.02 x 2.09インチ |
| 重さ | 7.17 ポンド |
| 巻tage(名目) | 12.25 ボルト (DC) |
| 最大供給量tage | 16 ボルト (DC) |
| 取り付けタイプ | 表面実装 |
| Amplifierクラス | クラスAB |
| チャンネル | 4チャンネル |
| ピークパワー | 500ワット |
| インピーダンス安定性 | 2オームステレオ安定 |
保証情報
The Fusion AM Series Marine Ampリファイアーには、 1年間の限定消費者保証 from the date of purchase. This warranty covers defects in materials and workmanship under normal use. For full warranty terms and conditions, please refer to the documentation included with your product or visit the official Fusion webサイト。
サポートと追加リソース
For further assistance, detailed wiring diagrams, or advanced troubleshooting, please utilize the following resources:
- 公式ユーザーマニュアル(PDF): PDFマニュアルをダウンロード
- Fusion Support Webサイト: Visit the official Fusion website for product registration, FAQs, and contact information for technical support.