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1
CONTENTS .......................................................................................................................................1
2
APPROVALS.....................................................................................................................................2
3
WARNINGS ......................................................................................................................................2
3.1
Explanation of graphical symbols ..............................................................................................2
3.2
WARNING.................................................................................................................................2
3.3
CAUTION ..................................................................................................................................2
3.4
Important Safety Instructions .....................................................................................................2
3.5
User responsibility......................................................................................................................3
3.5.1
Speaker damage..................................................................................................................3
3.5.2
Speaker output hazard ........................................................................................................3
3.5.3
Radio interference ..............................................................................................................3
4
INTRODUCTION..............................................................................................................................4
4.1
Unpacking ..................................................................................................................................4
4.2
Front Panel .................................................................................................................................4
4.3
Rear Panel...................................................................................................................................5
5
REAR PANEL FEATURES ..............................................................................................................6
5.1
Gain switch.................................................................................................................................6
5.1.1
The DIP-switch...................................................................................................................6
5.1.2
Sensitivity...............................................................................................................................6
5.1.3
Options ...............................................................................................................................6
5.2
Link switch .................................................................................................................................6
5.3
Operation modes.........................................................................................................................7
5.3.1
Stereo mode............................................................................................................................7
5.3.2
Note for bench test .............................................................................................................7
5.3.3
Tandem mode .....................................................................................................................7
5.3.4
Bridge mono mode .............................................................................................................7
5.3.5
Bridge mono mode features................................................................................................8
6
INSTALLATION...............................................................................................................................8
6.1
Mounting ....................................................................................................................................8
6.2
Cooling .......................................................................................................................................8
6.3
Operating voltage .......................................................................................................................8
6.4
Denmark .....................................................................................................................................9
6.5
Grounding...................................................................................................................................9
6.6
Power consumption ....................................................................................................................9
6.6.1
Calculation........................................................................................................................10
7
CONNECTIONS..............................................................................................................................10
7.1
Input connections .....................................................................................................................10
7.1.1
Balanced inputs ................................................................................................................10
7.1.2
Unbalanced inputs ............................................................................................................11
7.2
Connecting speakers.................................................................................................................11
8
OPERATION ...................................................................................................................................12
8.1
Operation precautions...............................................................................................................12
8.2
Powering up – Soft start ...........................................................................................................12
8.3
Input attenuators .......................................................................................................................12
8.4
Indicators ..................................................................................................................................13
9
PROTECTION FEATURES............................................................................................................13
9.1.1
Clip limiter .......................................................................................................................13
9.1.2
Thermal protection ...........................................................................................................14
9.1.3
VHF protection.................................................................................................................14
9.1.4
Short circuit protection .....................................................................................................14
9.1.5
AC mains voltage protection ............................................................................................14
9.1.6
DC protection ...................................................................................................................14
10
MAINTENANCE.........................................................................................................................15
10.1
Troubleshooting........................................................................................................................15
11
SPECIFICATIONS ......................................................................................................................16
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