2
INDEX
IMPORTANT REMARK............................................................................................................. 3
IMPORTANT SAFETY INSTRUCTIONS ............................................................................... 3
IMPORTANT NOTE ................................................................................................................... 5
INTRODUCTION ........................................................................................................................ 5
4.1. Main features ............................................................................................................................... 5
INSTALLATION.......................................................................................................................... 6
5.1. Precautions ................................................................................................................................... 6
5.2. Placement, mounting, cooling ................................................................................................ 6
5.3. Mains connection ........................................................................................................................ 7
5.4. Input signal connections .......................................................................................................... 7
5.5. Subsonic filter and Power saving mode ............................................................................... 8
5.6. Limiter circuit ............................................................................................................................... 8
5.7. Output connections ................................................................................................................... 8
OPERATION AND USAGE ...................................................................................................... 9
6.1. Start up .......................................................................................................................................... 9
6.2. Input attenuators ........................................................................................................................ 9
6.3. Indicators .................................................................................................................................... 10
CLEANING ................................................................................................................................. 10
DIAGRAM and LIST OF FUNCTIONS ................................................................................. 11
8.1. GPA2-400 .................................................................................................................................. 11
8.2. GPA2-800 .................................................................................................................................. 12
BLOCK DIAGRAM ................................................................................................................... 13
9.1. GPA2-400 .................................................................................................................................. 13
9.2. GPA2-800 .................................................................................................................................. 14
TECHNICAL CHARACTERISTICS ....................................................................................... 15
