NXAMP4x1 & NXAMP4x4 User Manual - Nexo
NXAMP4x1 & NXAMP4x4 User Manual - Nexo
NXAMP4x1 & NXAMP4x4 User Manual - Nexo
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TABLE OF CONTENT(6) VOLUME INDICATORS ........................................................................................................................................................14(7) MUTE BUTTONS .................................................................................................................................................................14(8) SELECT BUTTONS ...............................................................................................................................................................14(9) CHANNEL INDICATORS.......................................................................................................................................................14(10) AIR INTAKES ....................................................................................................................................................................15(11) SCREW HOLES FOR HANDLES............................................................................................................................................15BACK PANELS DESCRIPTION ..................................................................................................................................................16(1) MAINS CONNECTORS..........................................................................................................................................................16(2) BALANCED AUDIO INPUTS WITH LINK.................................................................................................................................16(3) EXPANSION SLOT ...............................................................................................................................................................17(4) POWER OUTPUTS................................................................................................................................................................17(5) RS-232 PORT .....................................................................................................................................................................17(6) GPIO PORT ........................................................................................................................................................................17(7) REAR END MOUNTING HOLES .............................................................................................................................................18BASIC FUNCTIONS ..................................................................................................................................................................18RESET......................................................................................................................................................................................18SELECTING CABINET FAMILY...................................................................................................................................................18SELECT YOUR CABINET SET-UP................................................................................................................................................18USING THE AMPLIFIER WITHOUT THE TDCONTROLLER FUNCTIONALITY..................................................................................19BACK TO DEFAULT ..................................................................................................................................................................19AUTO SAVE..............................................................................................................................................................................19ENTER THE DOWNLOAD MODE.................................................................................................................................................19WHAT’S INSIDE THE CARTON BOX............................................................................................................................20SETTING-UP ADVICE.......................................................................................................................................................21EARTH CONNECTION..............................................................................................................................................................21MAINS SETTING......................................................................................................................................................................21MOUNTING THE NXAMP IN A RACK (GROUNDING, SHIELDING & SAFETY ISSUES) ...........................................................22USING THE NXAMP WITHOUT A RACK ................................................................................................................................23FUSES......................................................................................................................................................................................23ELECTROMAGNETIC ENVIRONMENTS ...................................................................................................................................23ANALOGUE INPUT SIGNAL CABLES ........................................................................................................................................24NXAMP POWER OUTPUTS WIRING .......................................................................................................................................25GENERAL DESCRIPTION................................................................................................................................................26GLOBAL ARCHITECTURE .......................................................................................................................................................26NXAMP4X1 GLOBAL ARCHITECTURE ....................................................................................................................................26NXAMP4X4 GLOBAL ARCHITECTURE ....................................................................................................................................26POWER SUPPLY BLOCK ...........................................................................................................................................................27ANALOG INPUT BLOCK ............................................................................................................................................................28CONTROL BLOCK.....................................................................................................................................................................28POWER AMPLIFIER BLOCKS......................................................................................................................................................29POWER OUTPUTS BLOCK..........................................................................................................................................................29USER INTERFACE BLOCK..........................................................................................................................................................30COMMUNICATION BLOCK ........................................................................................................................................................30EXPANSION SLOT BLOCK .........................................................................................................................................................31BLOCK DIAGRAM DESCRIPTION ................................................................................................................................32PATCHING AND ROUTING (1) .................................................................................................................................................33DELAY & POLARITY INVERSION (2) ......................................................................................................................................33FACTORY SET-UP DELAY .........................................................................................................................................................33USER SET-UP DELAY................................................................................................................................................................33PAGE 7 OF 103