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Com-Tech Power Amplifiers
Reference Manual
CONTENTS
1 Welcome ............................................................................ 9
1.1 Unpacking ................................................................... 9
1.2 Features....................................................................... 9
2 Facilities .......................................................................... 10
3 Installation ....................................................................... 12
3.1 Mounting ................................................................... 12
3.2 Cooling ...................................................................... 12
3.2.1 Cooling for Units without Internal Fans ............. 13
3.2.2 Additional Cooling for Units with Internal Fans . 13
3.3 Wiring ........................................................................ 14
3.3.1 Mode of Operation .......................................... 14
3.3.2 Audio Input Connection ................................... 19
3.3.3 RSVP Input Connections .................................. 21
3.3.4 Output Connection .......................................... 21
3.3.5 Additional Load Protection ............................... 23
3.4 AC Power Requirements ............................................ 24
4 Operation ......................................................................... 25
4.1 Precautions ................................................................ 25
4.2 Indicators ................................................................... 25
4.3 Protection Systems .................................................... 26
4.3.1 ODEP .............................................................. 26
4.3.2 Standby Mode ................................................. 27
4.3.3 Transformer Thermal Protection ....................... 27
4.3.4 Circuit Breaker ................................................. 27
4.4 Controls ..................................................................... 28
4.5 Energy Savings Circuit Application ............................ 29
4.6 Filter Cleaning ............................................................ 29
5 Technical Information...................................................... 29
5.1 Overview ................................................................... 29
5.2 Circuit Theory ............................................................ 30
5.2.1 Dual Operation ................................................ 30
5.2.2 Bridge-Mono Operation ................................... 31
5.2.3 Parallel-Mono Operation .................................. 31
6 Specifications .................................................................. 32
7 AC Power Draw and Thermal Dissipation ....................... 45
8 Accessories ..................................................................... 47
8.1 PIP and PIP2 Modules ................................................ 47
8.2 RSVP Module ............................................................ 49
8.3 Cooling Fan Option (120 VAC, 60 Hz only) ................. 49
8.4 Constant Voltage Computer ....................................... 49
9 Service ............................................................................. 50
9.1 Worldwide Service ..................................................... 50
9.2 North American Service ............................................. 50
9.2.1 Service at a North American Service Center .... 50
9.2.2 Factory Service ............................................... 50
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