パイオニア GM-DX971

Pioneer GM-DX971 Monoblock Car Ampリファイアー

取扱説明書

1. はじめに

パイオニア GM-DX971 amplifier is designed to deliver powerful and precise car audio. This monoblock Class D amplifier offers a maximum power output of 2,400 watts, providing dynamic and impactful sound reproduction. It features adjustable low-pass filters for fine-tuning frequency response and a built-in bass boost for enhanced bass. Integration into existing audio systems is simplified with speaker-level inputs. The amplifier also includes protection circuitry to ensure reliable operation and prevent damage to itself and connected speakers.

Pioneer GM-DX971 Monoblock Car Ampリファイアー

Figure 1: Pioneer GM-DX971 Monoblock Car Amplifier。

2. 箱の中身

インストールを開始する前に、すべてのアイテムが揃っていることを確認してください。

  • 1チャンネルサブウーファー Amplifier (GM-DX971)
  • リモートベースノブ
  • Remote Bass Knob Cable
  • Speaker Level to RCA Input Adapter
  • 取り付けネジ
  • ワイヤー端子ツール
  • 取扱説明書
パイオニアGM-DX971の内容 ampライフファイアボックスを含む amplifier, remote bass control, cables, and manual.

Figure 2: Included components with the GM-DX971 amplifier。

3. 主な特徴

  • 最大出力: Delivers up to 2,400 watts for dynamic and impactful sound.
  • クラスD Amplification: High efficiency design converts input power to output power with minimal waste and reduced heat.
  • コンパクトなデザイン: Smaller footprint compared to other amplifier classes, facilitating installation in various vehicle spaces.
  • 可変ローパスフィルター: Adjustable from 40 Hz to 240 Hz for precise audio frequency tuning to match subwoofer characteristics and listening preferences.
  • 保護制御システム: Monitors input voltage, current consumption, and operating temperature to automatically adjust output, ensuring stability and preventing damage.
Close-up of the Pioneer GM-DX971 amplifier's control panel, showing adjustable settings for fine-tuning audio.

図3: Amplifier control panel for fine-tuning audio settings.

4. セットアップとインストール

Proper installation is crucial for optimal performance and safety. Ensure the vehicle's battery is disconnected before starting any wiring.

4.1 取り付け Ampリファイアー

The compact design of the GM-DX971 allows for flexible mounting options. Choose a location that is dry, well-ventilated, and away from direct sunlight or heat sources. Secure the amplifier using the provided installation screws. Ensure there is sufficient space around the amp空気循環用のライファイヤー。

パイオニア GM-DX971 amplifier with dimensions shown, highlighting its compact size for easy installation.

図4: Amplifier dimensions for mounting reference.

4.2配線接続

Refer to the diagram below and the included owner's manual for detailed wiring instructions. The amplifier features connections for power, ground, remote turn-on, and speaker output. High-level inputs are provided via the included RCA adapter for integration with factory head units.

後方 view パイオニア GM-DX971 amplifier showing power, ground, remote, fuse, and speaker output terminals.

Figure 5: Rear panel connections of the GM-DX971 amplifier。

電源接続: Connect the main power cable to the '+' terminal and to the vehicle's battery (with an inline fuse).
アース接続: Connect the ground cable to the '-' terminal and to a solid, unpainted metal point on the vehicle chassis.
リモート電源オン: Connect the remote wire to the head unit's remote output.
スピーカー出力: Connect your subwoofer(s) to the 'SPEAKER OUTPUT' terminals.

4.3 Remote Bass Knob Installation

The remote bass knob allows for convenient adjustment of bass levels from the driver's seat. Connect the remote bass knob cable to the dedicated port on the amplifier and mount the knob in an accessible location.

ビデオ1: 終了view of the Pioneer amplifier's connections and accessories, including the remote bass knob and high-level input adapter. Note: The video features a GM-DX871 model, which shares similar connection types and accessories with the GM-DX971.

5. 操作手順

5.1 初期電源投入

After all connections are securely made and verified, reconnect the vehicle's battery. The amplifier should power on with the head unit. Observe the power indicator light on the amplifier。

5.2 オーディオ設定の調整

  • ゲインコントロール: Adjust the gain setting on the amp出力ボリュームに合わせてリファイアtagヘッドユニットのゲインを最小から始めて、歪みのない希望の音量になるまでゆっくりと上げてください。
  • ローパスフィルター (LPF): Use the variable LPF to control the upper frequency limit of the audio signal sent to your subwoofer. This ensures that only low frequencies are reproduced by the subwoofer, improving sound clarity.
  • 低音ブースト: The bass boost feature enhances low-frequency output. Use this setting sparingly to avoid distortion and potential damage to speakers. The remote bass knob provides convenient real-time adjustment.

6. メンテナンス

To ensure long-lasting performance from your Pioneer GM-DX971 ampライフファイヤーを使用する場合は、次の簡単なメンテナンス ガイドラインに従ってください。

  • クリーニング: 定期的に清掃してください amp本体の外側は柔らかく乾いた布で拭いてください。刺激の強い化学薬品や研磨剤入りの洗剤の使用は避けてください。
  • 換気: 確実に amplifier's cooling fins are free from dust and debris to maintain proper heat dissipation. Do not block any ventilation openings.
  • 接続チェック: Regularly inspect all wiring connections for tightness and corrosion. Loose or corroded connections can lead to poor performance or damage.

7。 トラブルシューティング

問題が発生した場合は、 amplifier, consult the following common troubleshooting steps before seeking professional service:

  • 電源なし: Check the main power fuse, the inline fuse near the battery, and the amplifier's internal fuses (40A x 3). Ensure all power and ground connections are secure. Verify the remote turn-on wire is receiving a signal.
  • 音が出ない: Confirm all RCA or speaker-level input connections are correct and secure. Check speaker wiring for proper polarity and shorts. Verify head unit output.
  • 歪んだ音: ゲイン設定を下げる amplifier. Check for proper LPF and bass boost settings. Ensure speaker impedance matches the ampライファイアの仕様。
  • Ampライファイア過熱: 十分な換気を確保してください amplifier. Check speaker impedance to ensure it's not too low. Reduce volume or gain settings.
  • 保護モード: もし、 amplifier enters protection mode (indicated by a specific light), it usually means there's an issue like overheating, a short circuit, or an incorrect impedance load. Disconnect power, check all connections and speaker wiring, allow the unit to cool, then reconnect.

8. 仕様

特徴仕様
モデルGM-DX971
電源14.4 V DC (10.8 V ~ 15.1 V まで許容)
接地システムネガティブタイプ
消費電流38 A (at continuous power, 4Ω)
Average Current Consumption (4Ω for one channel)3.5A
Average Current Consumption (2Ω for one channel)5.1A
Average Current Consumption (1Ω for one channel)7.5A
ヒューズ40A×3
寸法(幅×高さ×奥行き)302 mm × 60 mm × 215 mm (11-7/8 in. × 2-3/8 in. × 8-1/2 in.)
重さ3.1 kg (6.8 ポンド)
最大出力1,000 W × 1 (4Ω) / 2,400 W × 1 (1Ω)
Continuous Power Output (14.4 V, 20 Hz to 240 Hz, ≤ 1% THD)500 W × 1 (4Ω) / 800 W × 1 (2Ω) / 1,200 W × 1 (1Ω)
負荷インピーダンス4Ω (2Ω to 8Ω allowable)
周波数応答10 Hz ~ 240 Hz (+0 dB、-3 dB)
信号対ノイズ比100 dB(IHF-Aネットワーク)
ローパスフィルター(LPF)40 Hz to 240 Hz, -12 dB/oct
バスブースト0 dB to 18 dB (50 Hz)
Gain Control (RCA)0.2V~6.5V
Gain Control (Speaker)0.8V~16V
アイテム重量6.8 ポンド
メーカーパイオニア株式会社
欧州連合884938421850

9. 保証とサポート

9.1 保証情報

The Pioneer GM-DX971 Monoblock Car Ampリファイアーには、 1年間のメーカー保証この保証は、通常の使用状況における材料および製造上の欠陥を対象としています。保証請求の際は、購入証明書を保管してください。

9.2 カスタマーサポート

技術的なサポート、このマニュアル以外のトラブルシューティング、または保証サービスについては、パイオニアカスタマーサポートにお問い合わせください。パイオニアの公式ウェブサイトをご覧ください。 web最新の連絡先情報については、サイトまたは製品ドキュメントをご覧ください。

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