AE TECHRON MULTI-AMP CONFIGURATION GUIDE
2
Information subject to change
97-8002465_09-19-14
1
Multi-Amp Systems Using 2100 or 7000 Series Amplifiers ................................................................. 4
1.1
Safety First ................................................................................................................................................... 4
1.2
Overview ....................................................................................................................................................... 4
1.3
Multi-Amp Configuration Accessories .......................................................................................................... 4
1.4
Accessory Recommendations by System Type ............................................................................................ 5
2
Multi-amp System Principles .............................................................................................................. 6
2.1
One Master Amplifier for Series Systems .................................................................................................... 6
2.2
All Master Amplifiers for Parallel Systems ................................................................................................... 6
2.3
Use only 7000-Series Amplifiers of the same Model Number .................................................................... 6
2.4
Use Correct Wiring........................................................................................................................................ 6
2.5
When Constructing Output Wiring, Use These Basic Criteria ...................................................................... 6
2.6
Operate with Safety in Mind ......................................................................................................................... 6
3
Series Systems Configuration and Wiring ............................................................................................ 7
3.1
Choosing Single-Ended or Differential Configuration for Two-amplifier Systems ........................................ 7
3.2
Configure SIM-BNC-OPTOC Input Cards ....................................................................................................... 7
3.3
Install SIM-BNC-OPTOC Input Cards in Amplifiers ........................................................................................ 8
3.4
Configure Amplifiers’ Main Boards for Slave Operation .............................................................................. 8
3.5
Remove Output Terminal Resistor ............................................................................................................... 9
3.6
Attach Master/Slave Labels (optional) ........................................................................................................ 9
3.7
Series System
Wiring ................................................................................................................................ 10
3.8
Two in Series – Differential ....................................................................................................................... 10
3.9
Two or Three in Series – Single Ended ..................................................................................................... 13
4
Parallel Systems Configuration, Wiring and Balancing ....................................................................... 17
4.1
Install Ballast Resistors ............................................................................................................................ 17
4.2
Main Board Access.................................................................................................................................... 18
4.3
Disable Gain Controls (7224 amplifiers only) ........................................................................................... 18
4.4
Parallel System Balancing......................................................................................................................... 19
4.5
Connect for Balancing ............................................................................................................................... 19
4.6
Verify Interlock Operation.......................................................................................................................... 20
4.7
Adjust DC Offset ........................................................................................................................................ 20
4.8
Wire and Connect Parallel Inputs ............................................................................................................. 20
4.9
Verify and Adjust Amplifier Gain ................................................................................................................ 21
4.10
Amplifier Gain Matching ............................................................................................................................ 22
4.11
Verify Minimal Circulating Currents .......................................................................................................... 24
4.12
Verify Current Sharing ............................................................................................................................... 24
Appendix A
Wire Current-Carrying Capacity ............................................................................................... 17
Appendix B
Critical Wire Lengths in Parallel Systems ................................................................................. 17
Appendix C
Building Parallel System Output Cables ................................................................................... 17
Appendix D
Building the DB-25 Interlock Cable ......................................................................................... 30
Appendix E
Returning Slave Amplifiers to Stand-Alone Use ........................................................................ 31
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