Crown Audio CL Series User Manuals

Table of Contents

• Important Safety Instructions

  2
• 4 Advanced Features and Options

  19
• Declaration of Conformity

  3
• 4.1 Protection Systems

  19
• 1 Welcome

  5
• 4.1.1 Power Circuit Breaker

  19
• 1.1 Features

  5
• 4.1.2 Proportional-speed or 3-speed Fan

  19
• 1.2 How to Use This Manual

  5
• 4.2 Advanced Features

  19
• 2 Setup

  6
• 4.2.1 BCA® (CH4 and CL4 Only)

  19
• 2.1 Unpack Your Amplifier

  6
• 2.2 Install Your Amplifier

  6
• 4.3 Options

  19
• 2.3 Ensure Proper Cooling

  6
• 4.3.1 Input Sensitivity

  19
• 2.4 Choose Input Wire and Connectors

  7
• 4.3.2 Crown SST Modules

  19
• 2.5 Choose Output Wire and Connectors

  7
• 4.3.3 Fault Monitoring

  21
• 2.6 Switch Settings

  8
• 4.3.4 Precision Detented Level Controls

  22
• 2.7 Wire Your System

  9
• 5 Principles of Operation

  23
• 2.7.1 Models CH1 & CH2 Stereo Mode

  9
• 5.1 CH1, CH2, CL1 and CL2

  23
• 2.7.2 Models CH1 & CH2 140V Bridge Mode

  9
• 5.2 CH4 and CL4

  25
• 2.7.3 Model CH4 Stereo Mode

  10
• 5.2.1 Audio Signal Path

  25
• 2.7.4 Model CH4 Bridge Mode

  10
• 5.2.2 Power Supply Operation

  27
• 2.7.5 Models CL1 & CL2 Stereo Mode

  11
• 6 Troubleshooting

  28
• 2.7.6 Models CL1 & CL2 Bridge Mode

  11
• 7 Specifications

  29
• 2.7.7 Model CL4 Stereo Mode

  12
• 8 AC Power Draw and Thermal Dissipation

  34
• 2.7.8 Model CL4 Bridge Mode

  12
• 9 Service

  38
• 9.1 International and Canada Service

  38
• in Stereo Mode

  13
• 9.2 US Service

  38
• 2.8 Connect to AC Mains

  13
• 9.2.1 Service at a US Service Center

  38
• 2.9 Startup Procedure

  13
• 9.2.2 Factory Service

  38
• 3 Operation

  14
• 9.2.3 Factory Service Shipping Instructions:

  38
• 3.1 Precautions

  14
• 9.2.4 Packing Instructions

  38
• 3.2 Indicators

  18
• 9.2.5 Estimate Approval

  38
• 3.3 Controls

  18
• 9.2.6 Payment of Non-Warranty Repairs

  38
• 10 Warranty

  39
• Crown Factory Service Information Form

  41