Crown CT 475 User Manuals

Table of Contents

• Important Safety Instructions

  2
• 13.1 Protection Systems

  14
• ­­­Declaration of Conformity

  3
• 13.1.1 Thermal Indicator

  14
• 1 Welcome

  5
• 13.1.2 Fault

  14
• 1.1 Features

  5
• 13.1.3 High-Pass Filters

  14
• 2 How to Use This Manual

  5
• 13.1.4 AC Under/Over Voltage Protection

  14
• 3 Features

  5
• 13.1.5 Circuit Breaker

  14
• 4 Setup

  6
• 13.1.6 Convection-cooled Chassis

  14
• 4.1 Unpack Your Amplifier

  6
• 13.1.7 Auto-Standby

  14
• 4.2 Install Your Amplifier

  6
• 13.2 Features

  14
• 4.3 Ensure Proper Cooling

  6
• 13.2.1 Switching Power Supply

  14
• 4.4 Choose Input Wire and Connectors

  7
• 13.2.2 Power Mode

  14
• 4.5 Choose Output Wire and Connectors

  7
• 13.2.3 Adaptive Voltage Rail

  14
• 4.6 Wire Your System

  8
• 13.2.4 DriveCore Power Stage

  14
• 4.7 Connect to AC Mains

  8
• 14 Accessories

  14
• 4.8 Startup Procedure

  9
• 14.1 XFMR 4/8

  14
• 5 Precautions

  9
• 14.2. Rack Support/Ears

  14
• 6 Front Panel

  10
• 15 Troubleshooting

  15
• 7 Back Panel

  11
• 15.1 Power Indicator

  15
• 8 Amp Configuration

  12
• 15.2 Fault Indicator

  15
• 8.1. 70Hz HPF (High Pass Filter)

  12
• 15.3 Thermal Indicator

  15
• 8.2 Limiter

  12
• 15.4 Clip Indicator

  15
• 9 Operating Modes

  12
• 15.5 Signal Indicator

  15
• 9.1 Normal

  12
• 15.6 Ready Indicator

  15
• 9.2 Green Power

  12
• 16 Specifications

  16
• 9.3 Deep Sleep

  12
• 10 Auxiliary Ports

  13
• 18 Service

  21
• 9.1 Deep Sleep

  13
• 19 Warranty

  22
• 9.2 Amp Status

  13
• Product Registration Form

  25
• 11 Input Routing

  13
• Factory Service Information Form

  27
• 13 Advanced Features

  14