Crown Audio 133472-1A manual Table of Contents, Introduction, Troubleshooting, Glossary of Terms

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Table of Contents
Introduction		4
Chapter 1: Crown Amplifiers In-Depth		5
1.1	Rack Cooling	5
	1.1.1 Fan-Assisted Models	5
	1.1.2 Convection-Only Models	6
1.2	System Wiring	7
	1.2.1 Input Wiring	7
	Input Connector Wiring	7
	Balanced, Grounded Source	7
	Balanced, Floating Source	7
	Unbalanced, Grounded Source, Twin-Lead Shielded Cable	8
	Unbalanced, Floating Source, Twin-Lead Shielded Cable	8
	Unbalanced, Grounded Source, Single-Conductor
	Coax or Twisted-Pair Cable	8
	Unbalanced, Floating Source, Single-Conductor
	Coax or Twisted-Pair Cable	8
	1.2.2 Solving Input Problems	9
1.3	Output Wiring	10
	1.3.1 Output Connector Wiring	10
	5-Way Binding Post	10
	Barrier Block	11
	Neutrik® Speakon®	11
	1.3.2 Amplifi er Load Impedance	13
	1.3.3 Determining Appropriate Speaker Wire Gauge	14
	1.3.4 Loudspeaker Protection	15
	1.3.5 Solving Output Problems	16
	High-Frequency Oscillations	16
	Sub-Sonic Currents	16
	1.3.6 Distributed Speaker Systems	17
	What is Constant Voltage?	17
	Transformer Saturation	17
1.4	Multi-way Systems (with Expansion Modules)	18
	1.4.1 Active vs. Passive Crossover Networks	18
1.5	Fault Monitoring	20
1.6	Setting System Gain Structure	21
	1.6.1 System Levels	21
	1.6.2 Amplifi er Level	21
Chapter 2: Troubleshooting		23
2.1	No Power	24
2.2	No Sound	25
2.3	Bad Sound	26
2.4	Amp Overheating	26
Chapter 3: Glossary of Terms		27
Appendix: Suggested Reading		33
	Amplifier Application Guide