Orion OLH28C 2-Channel High-to-Low Converter

1. はじめに

The Orion OLH28C is a 2-channel high-to-low audio signal converter designed to integrate factory car audio systems with aftermarket amplifiers. This device converts high-level speaker outputs from your vehicle's factory head unit into low-level RCA signals, enabling connection to external amplifiers for improved sound quality and system expansion. It ensures compatibility and delivers clear audio signals with minimal distortion.

2. 主な特徴

• シームレスな統合: Connects factory audio systems to aftermarket amplifiers。
• クリアな音質: Provides precise signal conversion with minimal distortion.
• ユニバーサル互換性： Works with a wide range of car audio systems.
• コンパクトなデザイン: Sleek and lightweight structure for easy installation in limited spaces.
• 耐久性のあるパフォーマンス: Constructed with premium components for reliable, long-lasting operation.

3. セットアップとインストール

Proper installation is crucial for optimal performance. Ensure the vehicle's battery is disconnected before beginning any wiring. Refer to your vehicle's wiring diagram for speaker wire identification.

図3.1: トップ view of the Orion OLH28C converter, illustrating the high-level input terminals and low-level RCA outputs.

3.1配線接続

1. High-Level Inputs (Speaker Wires): Connect the speaker output wires from your factory head unit to the corresponding terminals on the OLH28C.
   • L+ (White): Left speaker positive input.
   • L- (White/Black): Left speaker negative input.
   • R+ (Gray): Right speaker positive input.
   • R- (Gray/Black): Right speaker negative input.
2. 電源とグランド:
   • V+ (Red): Connect to a switched 12V power source (e.g., accessory wire).
   • GND（黒）： 車両内のしっかりとしたシャーシ接地点に接続します。
3. Remote Turn-On (Blue):
   REM (Blue): This wire provides a 12V remote turn-on signal to your aftermarket ampこれを ampライファイアのリモート入力端子。
4. Low-Level Outputs (RCA): Connect standard RCA cables from the OLH28C's RCA outputs to the RCA inputs of your aftermarket amplifier。
   • L (Left RCA): Connect to the left channel input of the amplifier。
   • R (Right RCA): Connect to the right channel input of the amplifier。

図3.2: 底 view of the Orion OLH28C, highlighting the Left and Right RCA output connections.

図3.3: 角度付き view of the OLH28C, showing the complete set of input and output wiring for installation.

3.2 取り付け

The compact design of the OLH28C allows for flexible mounting. Secure the unit in a dry location, away from excessive heat or moisture, using appropriate fasteners. Ensure wires are not pinched or strained.

4. 操作手順

Once properly installed and wired, the Orion OLH28C operates automatically. When the vehicle's ignition is turned on, the converter will receive power and generate a remote turn-on signal for your amplifier. Audio signals from the factory head unit will be converted and passed to the amplifier. No user adjustments are typically required for basic operation.

5. メンテナンス

The Orion OLH28C requires minimal maintenance. Periodically check all wiring connections to ensure they are secure and free from corrosion. Keep the unit clean and free of dust and debris. Avoid exposing the unit to extreme temperatures or moisture.

6。 トラブルシューティング

• 音が出ない:
  • Verify all power (V+), ground (GND), and remote (REM) connections are secure and receiving proper voltage.
  • Check high-level input wires from the factory head unit for proper connection and signal.
  • Ensure RCA cables are correctly connected between the converter and the amplifier。
  • 確認する amplifier の電源が入っており、正しく機能しています。
• 歪んだ音:
  • Check all wiring for loose connections or shorts.
  • Ensure the high-level input signals are not excessively strong, which could cause clipping.
  • 確認する amplifier's gain settings are properly adjusted and not set too high.
• Amp電源が入らない:
  • Check the remote (REM) wire connection from the OLH28C to the amplifier。
  • Ensure the OLH28C is receiving power (V+ and GND).

7. 仕様

8. 保証とサポート

For warranty information or technical support, please refer to the documentation included with your purchase or contact Orion customer service directly. Keep your proof of purchase for any warranty claims.