1. はじめに
Thank you for choosing the PROEL S12A Professional Amplified Subwoofer. This active hybrid subwoofer is designed to deliver powerful and clear low-frequency sound reinforcement for various professional audio applications. Featuring an integrated Class D digital power amplifier and a 12-inch speaker, the S12A offers robust performance and versatile connectivity options.
To ensure optimal performance and longevity of your unit, please read this manual thoroughly before operation and retain it for future reference.
2. 安全情報
感電、火災、または装置の損傷を防ぐために、次の安全上の注意事項を守ってください。
- 電源: ユニットは、このマニュアルに記載されているタイプ、またはユニット上に記載されているタイプの電源にのみ接続してください。
- 接地: 感電を防ぐため、ユニットが適切に接地されていることを確認してください。
- 換気: 通気口を塞がないでください。過熱を防ぐため、ユニット周囲に十分な空気の流れを確保してください。
- 水と湿気: 本体を雨や湿気にさらさないでください。花瓶など、液体の入った物を本体の上に置かないでください。
- 熱源: ユニットをラジエーター、暖房口、ストーブ、その他の機器(電気を含む)などの熱源から遠ざけてください。 amp熱を発生する装置。
- クリーニング: 乾いた布でのみ拭いてください。 液体クリーナーやエアロゾルクリーナーは使用しないでください。
- 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。
- 配置: Place the subwoofer on a stable, level surface. When using a pole mount, ensure the stand is stable and capable of supporting the subwoofer's weight (19 kg).
3.製品オーバーview
The PROEL S12A is a high-performance active subwoofer designed for professional sound reinforcement. Below are key components and features:

図3.1: フロント view of the PROEL S12A Subwoofer, showcasing the protective metal grille and the 12-inch speaker cone visible behind it. The PROEL logo is centered on the grille.

図3.2: 側 view of the PROEL S12A Subwoofer, highlighting the integrated recessed handle for easy transport and positioning.

図3.3: Rear panel of the PROEL S12A Subwoofer, detailing the input/output connections, control knobs, and power inlet. This panel houses all the operational controls and audio interfaces.
主な特徴:
- 統合クラスD Amplifier: 効率的で強力 amplification。
- 12インチウーファー: Delivers deep and impactful bass frequencies.
- 接続性: Two Combo XLR/Jack inputs, two XLR Link outputs, and two XLR Line outputs.
- 調整可能なクロスオーバー: Switchable high-pass filter at 100 Hz or 160 Hz.
- フェーズスイッチ: 180° phase reversal for optimal acoustic alignment.
- ポールマウント: Standard 36mm pole mount socket for satellite speaker integration.
4. セットアップ
Follow these steps to set up your PROEL S12A Subwoofer:
- 配置: Position the subwoofer on a stable, flat surface. For optimal bass response, consider placing it near a wall or in a corner, but avoid direct corners if bass becomes boomy.
- 電源接続: Ensure the subwoofer's power switch is in the "OFF" position. Connect the supplied power cable to the AC inlet on the rear panel and then to a grounded electrical outlet.
- オーディオ入力: Connect your audio source (e.g., mixer, audio interface) to the "INPUT" Combo XLR/Jack connectors on the rear panel. Use high-quality balanced XLR or 1/4-inch TRS cables for best results.
- オーディオ出力(オプション):
- リンクアウト: Use the "LINK OUT" XLR connectors to daisy-chain the audio signal to another S12A subwoofer or another full-range speaker.
- ラインアウト: Use the "LINE OUT" XLR connectors to send the processed signal (with high-pass filter applied if active) to satellite full-range speakers.
- Pole Mount (Optional): If using the subwoofer with a satellite speaker, insert a standard 36mm speaker pole into the top-mounted socket on the S12A. Ensure the pole is securely seated and the satellite speaker is properly mounted.
5. 操作手順
サブウーファーをセットアップしたら、次の手順に従って操作します。
- 電源オン: Turn on your audio source (mixer, etc.) first, then switch the power button on the PROEL S12A to the "ON" position.
- 音量コントロール: Start with the "LEVEL" knob on the subwoofer set to its minimum position. Gradually increase the level to achieve the desired bass output.
- クロスオーバー周波数: The S12A features a switchable high-pass filter. Select between 100Hz or 160Hz depending on your system's requirements and the frequency response of your full-range speakers.
- 100 Hz: Suitable for most general applications, providing a smooth transition to full-range speakers.
- 160 Hz: May be used with smaller full-range speakers that require more low-frequency support.
- 位相調整: Use the "PHASE" switch to select between 0° そして 180°. This control helps align the phase of the subwoofer with your main speakers. Listen to the system with both settings and choose the one that provides the most coherent and impactful bass response. Often, the correct phase results in a fuller, more defined low end.
- システムバランス: Adjust the subwoofer's level in conjunction with your main speakers to achieve a balanced sound. The subwoofer should augment the low end without overpowering the rest of the audio spectrum.
- 電源を切る: Before disconnecting power, turn the subwoofer's level down, then switch the power button to "OFF". Finally, turn off your audio source.
6. メンテナンス
Proper maintenance ensures the longevity and performance of your PROEL S12A Subwoofer:
- クリーニング: Regularly wipe the exterior of the subwoofer with a soft, dry, lint-free cloth. Do not use abrasive cleaners, waxes, or solvents.
- 換気: Ensure that all ventilation openings are clear of dust and debris. Periodically check and clean the grille if necessary to maintain proper airflow.
- ストレージ: If storing the unit for an extended period, keep it in a cool, dry place, away from direct sunlight and extreme temperatures. It is recommended to use the original packaging for protection.
- ケーブル検査: Periodically inspect all audio and power cables for any signs of wear, cuts, or damage. Replace damaged cables immediately.
- プロフェッショナルサービス: For any internal issues or repairs, contact qualified service personnel. Do not attempt to open the unit or perform repairs yourself.
7。 トラブルシューティング
If you encounter issues with your PROEL S12A 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 |
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| 歪んだ、または不明瞭な低音 |
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| ハミング音またはブザー音 |
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8. 仕様
| 特徴 | 詳細 |
|---|---|
| モデル名 | S12A |
| スピーカータイプ | Active Hybrid Subwoofer |
| ウーファーサイズ | 12インチ |
| Ampリファイアタイプ | クラスDデジタル |
| ピーク出力 | 1200ワット |
| RMS電力出力 | 600ワット |
| 周波数応答 | 43Hz~160Hz |
| 最大音圧レベル | 127デシベル |
| クロスオーバー頻度 | Switchable: 100 Hz / 160 Hz |
| 位相スイッチ | 0° / 180° |
| 入力 | 2 x Combo XLR/Jack |
| 出力 | 2 x XLR Link Out, 2 x XLR Line Out |
| Pole Mount Socket | 36ミリメートル |
| 寸法(幅×高さ×奥行き) | 360 x 500 x 520 mm (14.17 x 19.69 x 20.47 インチ) |
| 重さ | 19 kg (41.89 ポンド) |
9. 保証とサポート
The PROEL S12A Subwoofer comes with a 限定保証. For specific details regarding warranty coverage, terms, and conditions, please refer to the warranty card included with your product or contact PROEL customer support.
For technical support, service, or spare parts, please contact your authorized PROEL dealer or visit the official PROEL webサイトで確認してください。ご自身でユニットを修理しようとしないでください。保証が無効になる場合があります。
返品規則: If you wish to return a product within 30 days of receipt because you have changed your mind, please consult the retailer's return policy. If you have received a defective or damaged product, please consult the retailer's help page on returns and refunds. For specific information on purchases made through a marketplace, consult their respective help pages.
メーカー: Proel S.P.A.