QSC Audio 1400 User Manuals

Table of Contents

• 1.1 Welcome

  3
• 1.2 Warranty

  3
• 1.3 Overview of Amplifier

  3
• 1.4 Specifications

  4
• 2.1 Unpacking and Inspection

  5
• 2.2 Important Precautions

  5
• 2.3 Quick Instructions

  6
• 3.1 Cooling

  8
• 3.2 AC Requirements

  9
• 3.3 Input Connections

  9
• 3.4 Octal Module Accessories

  12
• 3.5 Input Switches and Mono Bridging

  12
• 3.6 Speaker Connections

  13
• 3.7 25 and 70 Volt Systems

  15
• 3.8 Protection Features

  15
• 3.9 Operational Troubleshooting

  16
• 4.1 Background

  18
• 4.2 DC Protection

  18
• 4.3 Horn Driver Protection

  18
• 4.4 Power Capacity

  19
• 4.5 Power Limiting

  19
• 4.6 User Responsibility

  19
• 5.1 Cleaning

  20
• 5.2 Dust Removal

  20
• 5.3 User Maintenance

  20
• 5.4 Obtaining Service

  20