Stetsom EQX764-7 バンドイコライザー ユーザーマニュアル

1. はじめに

The Stetsom EQX764-7 Band Equalizer is a high-performance car audio graphic equalizer designed to provide precise control over your vehicle's sound system. This unit features a pre-amplifier and a 10V line driver, which helps to minimize noise and deliver a strong, clear audio signal to your amplifiers. With 7 adjustable equalization bands, dedicated subwoofer controls, and multiple input/output options, the EQX764 allows for detailed sound customization to suit your preferences.

2. 安全情報

• 専門家による取り付けを推奨: For optimal performance and safety, installation by a qualified car audio technician is highly recommended.
• バッテリーを外します: ショートや損傷を防ぐため、電気設備の設置を始める前に必ず車両のバッテリーのマイナス端子を外してください。
• 適切な融合: Ensure the power connection includes an appropriate fuse (1A maximum, within 1 foot of the battery) to protect the unit and your vehicle's electrical system.
• 湿気を避ける: ユニットを水や過度の湿気にさらさないでください。
• 安全な取り付け: Mount the equalizer securely to prevent it from becoming a projectile in the event of sudden stops or accidents.
• 換気： 過熱を防ぐために、ユニットの周囲に十分な換気を確保してください。

3. パッケージ内容

パッケージに以下の項目が含まれているか確認してください。

• Stetsom EQX764-7 Band Equalizer Unit
• 取り付けブラケット
• High Input Connector (Wire)
• 取り付けネジ

4.製品オーバーview

The Stetsom EQX764 features a user-friendly layout with clearly labeled controls and connections. Understanding each component is essential for proper setup and operation.

フロントパネルコントロール

The front panel provides access to all audio adjustment controls, illuminated by blue LEDs for visibility.

• サブレベル： サブウーファー チャンネルの出力レベルを調整します。
• サブ周波数: Adjusts the crossover frequency for the subwoofer output.
• HIGH/MAIN Input Switch: Selects between High-Level input and RCA (Main) input.
• ハイレベル: Adjusts the input sensitivity for the High-Level input.
• メインレベル: Adjusts the input sensitivity for the RCA (Main) input.
• FADER FRONT/REAR: Balances the audio output between the front and rear channels.
• 7-Band Equalization Controls: Individual rotary controls for adjusting the gain (+/-12dB) at specific frequencies: 50Hz, 125Hz, 315Hz, 750Hz, 2.2KHz, 6KHz, and 16KHz.

背面パネルの接続

背面パネルにはすべての入力および出力接続が収容されています。

• R SUB L OUT: Left and Right RCA outputs for the subwoofer amplifier。
• ハイイン: RCA 出力のない工場出荷時のヘッドユニットに接続するためのハイレベル入力。
• R MAIN L IN: Left and Right RCA inputs for the main audio source.
• R REAR L OUT: Left and Right RCA outputs for the rear full-range amplifier。
• R FRONT L OUT: Left and Right RCA outputs for the front full-range amplifier。
• REM +: Remote turn-on input and power input terminals.

5. セットアップとインストール

Follow these steps for proper installation of your EQX764 equalizer.

5.1 ユニットの取り付け

Use the provided mounting brackets and screws to secure the EQX764 in a suitable location within your vehicle. Ensure the location allows for easy access to controls and adequate ventilation.

5.2 Power and Remote Activation

Connect the EQX764 to your vehicle's electrical system as follows:

1. 接続する +12V terminal to the vehicle's positive battery terminal using a 20AWG cable. Install a 1A fuse within 1 foot of the battery.
2. 接続する グランド terminal to a clean chassis ground point.
3. 接続する レム (remote) terminal to the remote output of your car radio/player using a 20AWG cable. This will turn the equalizer on and off with your head unit.

5.3オーディオ接続

The EQX764 supports both RCA and High-Level inputs and provides dedicated outputs for front, rear, and subwoofer channels.

1. 入力ソース：
   • For head units with RCA outputs, connect the RCA cables from your head unit to the R MAIN L IN ports on the EQX764.
   • For factory head units or those without RCA outputs, use the provided High Input Connector to connect speaker-level wires from your head unit to the HIGH-IN 端末。
2. に出力 Amplifiers：
   • RCAケーブルを R FRONT L OUT ports to your front full-range amplifier。
   • RCAケーブルを R REAR L OUT ports to your rear full-range amplifier。
   • RCAケーブルを R SUB L OUT ports to your subwoofer amplifier。

6. 操作手順

Once installed, the EQX764 allows for fine-tuning of your audio system.

6.1 Input Selection and Level Adjustment

1. 入力を選択します: 使用 HIGH/MAIN switch to select the appropriate input source (High-Level or RCA).
2. 入力レベルを調整します: 使用 ハイレベル or メインレベル knobs to match the output voltage of your head unit. Start with these controls at their minimum and slowly increase until a clear, undistorted sound is achieved at a moderate volume from your head unit.

6.2 Fader Control

の FADER FRONT/REAR knob allows you to adjust the balance of sound between your front and rear speakers. Turn it towards 'FRONT' to emphasize front speakers or towards 'REAR' for rear speakers.

6.3 7-Band Equalization

Each of the seven rotary knobs corresponds to a specific frequency band, allowing you to boost or cut frequencies by up to 12dB. Adjust these controls to shape the sound to your preference:

• 50Hz： Controls the deepest bass frequencies.
• 125Hz： Affects mid-bass and warmth.
• 315Hz： Influences the lower midrange, body of vocals and instruments.
• 750Hz： Controls the central midrange, clarity of vocals.
• 2.2KHz： Affects upper midrange, presence of instruments.
• 6KHz： Controls lower treble, brightness of cymbals and higher frequencies.
• 16KHz： Adjusts the highest treble frequencies, airiness and sparkle.

6.4 サブウーファーのコントロール

The dedicated subwoofer controls provide precise management of your bass output:

• サブレベル： Adjust the overall volume of the subwoofer output.
• サブ周波数: Set the low-pass crossover frequency for the subwoofer. This determines the highest frequency that will be sent to your subwoofer amplifier. Adjust this to blend seamlessly with your main speakers.

7. 仕様

8。 トラブルシューティング

If you encounter issues with your EQX764, refer to the following common problems and solutions:

• 電源なし:
  • Check all power connections (+12V, GND, REM) for secure contact.
  • Verify the 1A fuse near the battery is intact. Replace if blown.
  • Ensure the remote wire from the head unit is providing a +12V signal when the head unit is on.
• サウンド出力なし:
  • Confirm the correct input source (HIGH or MAIN) is selected via the switch.
  • Check all RCA and High-Level input/output connections for proper seating.
  • Ensure the HIGH LEVEL and MAIN LEVEL controls are not set to minimum.
  • 接続されていることを確認する amplifiers are powered on and receiving a signal.
• 歪んだ音:
  • Reduce the HIGH LEVEL or MAIN LEVEL input sensitivity.
  • Lower the gain settings on your amplifiers。
  • Ensure none of the equalization bands are boosted excessively.
• Hissing or Engine Noise:
  • Ensure the EQX764 and all amplifiers have a solid, clean ground connection.
  • Route RCA cables away from power cables to prevent interference.
  • Check for proper grounding of the head unit.

9. メンテナンス

The Stetsom EQX764 is designed for durability and requires minimal maintenance.

• クリーニング： 本体の清掃には、柔らかく乾いた布をご使用ください。研磨剤入りの洗剤や溶剤は使用しないでください。
• 接続: すべての配線接続が安全で腐食がないことを定期的に確認してください。

10. 保証とサポート

Stetsom products are manufactured to high-quality standards. For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official Stetsom webサイトでご確認ください。保証請求の際は購入証明として領収書を保管してください。

For additional assistance, you may contact Stetsom customer support through their official channels.