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Crown CTs Series User Manual

Crown CTs Series
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page 7
CTs Power Amplifiers
Operation Manual
CTs Multi-Channel Models
......................31
Declaration of Conformity ........................................................... 32
1 Welcome .................................................... 33
1.1 Features .......................................................................... 33
2 How to Use This Manual .................................. 33
3 Setup ........................................................ 34
3.1 Unpack Your Amplifier .................................................... 34
3.2 Install Your Amplifier ...................................................... 34
3.3 Ensure Proper Cooling .................................................... 34
3.4 Choose Input Wire and Connectors ................................ 35
3.5 Choose Output Wire and Connectors .............................. 35
3.6 Wire Your System ........................................................... 36
3.6.1 Dual 8/4 Mode ....................................................... 36
3.6.2 Dual 70V Mode ...................................................... 36
3.6.3 Bridge-Mono 16/8 Mode ....................................... 37
3.6.4 Bridge-Mono 100V Mode ...................................... 37
3.7 Connect to AC Mains ...................................................... 38
3.8 Startup Procedure ........................................................... 38
4 Operation ................................................... 39
4.1 Precautions ..................................................................... 39
4.2 Front Panel Controls and Indicators ............................... 40
4.3 Back Panel Controls and Connectors .............................. 41
5 Advanced Features and Options ......................... 42
5.1 Protection Systems .........................................................42
5.1.1 Thermal Level Control (TLC) .................................. 42
5.1.2 Fault ....................................................................... 42
5.1.3 Fault Isolation Topology (FIT) ................................ 42
5.1.4 35-Hz High-Pass Filter .......................................... 42
5.1.5 AC Under-/Over-Voltage Protection ....................... 42
5.1.6 Power Fuse ............................................................42
5.1.7 Inrush Limiting ......................................................42
5.1.8 Variable-speed Fans .............................................. 42
5.2 Advanced Features .......................................................... 42
5.2.1Switching Power Supply ......................................... 42
5.2.2 Mode Switch .......................................................... 42
5.2.3 Bridge Mode Indicator ........................................... 42
5.2.4 Channel Level Control ........................................... 43
5.3 Options ........................................................................... 44
5.3.1 Control Modules .................................................... 44
5.3.2 Input Sensitivity ..................................................... 44
6 Troubleshooting ........................................... 45
7 Specifications .............................................. 47
8 AC Power Draw and Thermal Dissipation .............. 51
CTs 2-Channel and Multi-Channel Models
9 Service ...................................................... 53
9.1. International and Canada Service ................................... 53
9.2 US Service ...................................................................... 53
9.2.1 Service at a US Service Center ............................... 53
9.2.2 Factory Service ...................................................... 53
9.2.3 Factory Service Shipping Instructions.....................53
9.2.4 Packing Instructions ............................................... 53
9.2.5 Estimate Approval ................................................... 53
9.2.6 Payment of Non-Warranty Repairs.......................... 53
10 Warranty ................................................... 54
Factory Service Information Form ............................................... 57
Product Registration Form ........................................................... 59
Table of Contents

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Crown CTs Series Specifications

General IconGeneral
Power OutputVaries by model (CTs 4200, CTs 3000, CTs 2000, CTs 1200, CTs 600)
Total Harmonic Distortion< 0.05% (at full rated power)
Input Sensitivity1.4V for rated power
WeightVaries by model (e.g., CTs 2000: 25 lbs)
Channels2
8 Ohm Stereo (per channel)Varies by model
4 Ohm Stereo (per channel)Varies by model
2 Ohm Stereo (per channel)Varies by model
8 Ohm Bridge-MonoVaries by model
4 Ohm Bridge-MonoVaries by model
Voltage Gain32dB
Damping Factor>500
CoolingVariable-speed fan

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