JBL gth400 User Manuals

Table of Contents

• 1. Introduction

  3
• 1.1 Features

  4
• 1.2 About Installation

  4
• 2. Installation and use

  5
• 3. System Design with the GTH400

  6
• 3.1 Speaker Requirements

  6
• 3.2 Typical Applications

  7
• 4. Installation and Use

  9
• 4.1 Controls and Connectors

  9
• 4.2 Internal Adjustments

  12
• Speaker-Level Input Impedance Adjustments

  12
• Crossover Frequency Adjustments

  12
• Custom Chip construction

  13
• Remote Chassis Installation

  13
• Unter-Dash Remote Installation

  14
• In-Dash remote Installation

  14
• Power Supply Connections

  14
• Simultaneous Speaker Stereo-Mono Connection Diagram

  16
• Speaker-Level Input Harness - Color Codes

  17
• 5. Adjusting the Gain

  17
• 6. Important Characteristics

  19
• 7. In Case of Difficulty

  21
• 8. Specifications

  23