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Operation Manual
CTs Multi-Channel Power Amplifiers
page 4
Important Safety Instructions .......................................................2
Declaration of Conformity ............................................................3
1 Welcome .....................................................5
1.1 Features ...........................................................................5
2 How to Use This Manual ..................................5
3 Setup .........................................................6
3.1 Unpack Your Amplifier .....................................................6
3.2 Install Your Amplifier .......................................................6
3.3 Ensure Proper Cooling ....................................................6
3.4 Choose Input Wire and Connectors .................................7
3.5 Choose Output Wire and Connectors ...............................7
3.6 Wire Your System ............................................................8
3.6.1 Dual 8/4 Mode ........................................................8
3.6.2 Dual 70V Mode .......................................................8
3.6.3 Bridge-Mono 16/8 Mode ........................................9
3.6.4 Bridge-Mono 100V Mode .......................................9
3.7 Connect to AC Mains .......................................................10
3.8 Startup Procedure ............................................................10
4 Operation ....................................................11
4.1 Precautions ......................................................................11
4.2 Front Panel Controls and Indicators .................................12
4.3 Back Panel Controls and Connectors ...............................13
5 Advanced Features and Options..........................14
5.1 Protection Systems ..........................................................14
5.1.1 Thermal Level Control (TLC) ..................................14
5.1.2 Fault .......................................................................14
5.1.3 Fault Isolation Topology (FIT) ................................14
5.1.4 35-Hz High-Pass Filter ...........................................14
5.1.5 AC Under-/Over-Voltage Protection .......................14
5.1.6 Power Fuse .............................................................14
5.1.7 Inrush Limiting .......................................................14
5.1.8 Variable-speed Fans ...............................................14
5.2 Advanced Features ..........................................................14
5.2.1Switching Power Supply ..........................................14
5.2.2 Mode Switch ..........................................................14
5.2.3 Bridge Mode Indicator ............................................14
5.2.4 Channel Level Control ............................................15
5.3 Options ............................................................................16
5.3.1 Control Modules ....................................................16
5.3.2 Input Sensitivity ......................................................16
6 Troubleshooting ............................................ 17
7 Specifications .............................................. 19
8 AC Power Draw and Thermal Dissipation .............. 23
9 Service ...................................................... 25
9.1 Worldwide Service ...........................................................25
9.2 US and Canada Service ...................................................25
9.2.1 Service at a US or Canada Service Center ..............25
9.2.2 Factory Service .......................................................25
9.2.3 Factory Service Shipping Instructions: ...................25
10 Warranty ................................................... 26
Crown Factory Service Information Form ....................................29