1. はじめに
The Massive Audio EQ7X is a 1/2 DIN, 7-band graphic equalizer designed to optimize the sound characteristics within your vehicle's interior. This unit helps correct peaks and dips in audio frequencies that can negatively impact speaker output and sound imaging. It features a compact design with powerful audio control capabilities.
主な機能は次のとおりです。
- 7-Band Graphic Equalizer for precise sound tuning.
- Auxiliary inputs for external audio sources (MP3, DVD, Phone).
- Subwoofer output with a built-in 18dB per octave electronic crossover.
- 8-Volt output line driver for strong signal delivery.
- Auto Hi-Low Line Input for flexible integration.
- Switchable LED backlighting (Orange to Soft Blue) to match vehicle interior.
図1: 前面 view of the Massive Audio EQ7X Car Equalizer, showcasinコンパクトなデザインとコントロールノブが特徴です。
2. セットアップとインストール
Proper installation is crucial for optimal performance of your EQ7X equalizer. Ensure all connections are secure and correctly wired to prevent damage to the unit or your vehicle's audio system.
2.1. 配線接続
The EQ7X features gold-plated RCA connectors for superior signal transfer and various input/output options for versatile system integration.
- 電源接続： Connect the GND (Ground), +BATT (12V Constant Power), REM IN (Remote Turn-On Input), and REM OUT (Remote Turn-On Output) terminals. The unit operates on 11V - 15V negative ground.
- Main Input (MAIN-IN): Use for primary audio source.
- 補助入力（AUX-IN）： For connecting secondary audio sources like MP3 players or phones.
- High Input Auto Power: Allows connection to factory head units without RCA outputs, utilizing speaker-level inputs for automatic turn-on.
- 出力: 6-Channel / 7 Volt RCA Outputs for Front, Rear, and Subwoofer amplifiers。
- Sub-Out: Dedicated subwoofer output with adjustable low-pass frequency.
2.2. 取り付け
The EQ7X is a 1/2 DIN size unit, allowing for flexible mounting options within your vehicle. It includes ISO mounting holes and a removable trim ring for a clean installation.
ビデオ1: オーバーview of the ORION XEQ-X7 equalizer, demonstrating its features, inputs, and outputs. This video provides a visual guide to similar equalizer connections and controls.
Video 2: A detailed look at the STETSOM EQX764, highlighting its input/output options and control layout, which can be referenced for general equalizer setup.
3. 操作手順
The EQ7X provides comprehensive controls to fine-tune your audio experience. Familiarize yourself with each control for optimal sound customization.
3.1. フロントパネルコントロール
- サブレベル： サブウーファーの出力レベルを調整します。
- マスターボリューム： Controls the overall system volume.
- AUXボタン： Toggles between Main and Auxiliary inputs.
- フェーダー： フロントスピーカーとリアスピーカー間のオーディオ出力のバランスを調整します。
- Graphic Equalizer Bands: Seven adjustable frequency bands (50Hz, 125Hz, 320Hz, 750Hz, 2.2KHz, 6KHz, 16KHz). Each band can be adjusted from -12dB to +12dB. Subwoofer frequencies can be adjusted from -15dB to +15dB.
3.2. トップパネルのコントロール
- ライトスイッチ: Changes the faceplate backlit LED color between Orange and Soft Blue.
- Lowpass Frequency: Selects the subwoofer crossover frequency (60Hz or 120Hz).
- AUX-GAIN: Adjusts the gain for the auxiliary input.
Video 3: A demonstration of the DS18 EQX7PRO equalizer, showcasing its controls and how to adjust various settings for sound optimization.
Video 4: An in-depth explanation of the R7EQ equalizer, detailing its features, controls, and how to achieve desired audio adjustments.
ビデオ5: 簡単な事前説明view of the Taramps TEQ 7.4 equalizer, showing its compact design and control layout.
4. メンテナンス
To ensure the longevity and optimal performance of your Massive Audio EQ7X, follow these simple maintenance guidelines:
- クリーニング： Use a soft, dry cloth to wipe the unit. Avoid abrasive cleaners or solvents that could damage the finish or controls.
- 接続: Periodically check all wiring connections to ensure they are secure and free from corrosion. Loose connections can lead to signal loss or distortion.
- 環境： Ensure the unit is installed in a location that is protected from excessive heat, moisture, and direct sunlight.
5。 トラブルシューティング
If you experience issues with your EQ7X, refer to the following common problems and solutions:
- 電源なし: Check all power connections (GND, +BATT, REM IN). Ensure the vehicle's battery is charged and fuses are intact.
- 音が出ない: Verify all RCA input and output connections. Ensure the correct input source (Main/Aux) is selected. Check the Master Volume and Sub Level controls.
- ねじれ： Reduce the input gain from your head unit or the EQ7X's AUX-GAIN. Ensure all connections are tight and free from interference. Check speaker wiring for shorts.
- Uneven Sound (Left/Right or Front/Rear): Adjust the Fader control to balance the sound. Check individual channel RCA connections.
- Subwoofer Issues: Verify Sub-Out RCA connection. Check Sub Level control and Lowpass Frequency setting. Ensure the subwoofer amplifier is powered and functioning correctly.
6. 仕様
| 特徴 | 仕様 |
|---|---|
| タイプ | 1/2 DIN 7 Band Graphic Equalizer |
| RCAコネクタ | 金メッキ |
| 周波数帯域 | 50Hz、125Hz、320Hz、750Hz、2.2KHz、6KHz、16KHz |
| 周波数調整範囲 | -12dB to +12dB (General), -15dB to +15dB (Subwoofer) |
| サブウーファー出力 | Built-In 18dB per Octave electronic X-Over fixed @ 60Hz or 120Hz |
| Output Line Driver | 8ボルト |
| 補助入力 | Rear RCA inputs for MP3, DVD or Phone |
| RCA出力 | 6-Channel / 7 Volt (Front/Rear/Subwoofer) |
| コントロール | Master Volume, Sub Volume (Sub level), Front/Rear Fader, Main/AUX Inputs |
| 拡張周波数応答 | 20Hz ~ 30kHz / 100dB S/N |
| 前amp | Adjustable Active Gain |
| 電源 | 30V Bi-Polar Switching |
| ヘッドルーム | 20デシベル |
| 入力インピーダンス | 20Kオーム |
| 出力インピーダンス | 2Kオーム |
| ステレオ分離 | 82dB / 1KHz |
| 営業巻tage | 11V - 15V Negative Ground |
| LED照明 | Switchable (Orange to Soft Blue) |
| 寸法（幅×高さ×奥行き） | 7-inch x 1-inch x 4 1/8-inch |
7. 保証とサポート
For warranty information, technical support, or service inquiries, please contact Massive Audio directly through their official webサイトまたはカスタマーサービスチャネルでご確認ください。購入証明として購入レシートを保管してください。