Nexo NXAMP4X1 User Manual

TABLE OF CONTENT
SETTING-UP ADVICE.......................................................................................................................................................19
EARTH CONNECTION..............................................................................................................................................................19
MAINS SETTING......................................................................................................................................................................19
MOUNTING THE NXAMP4X1 IN A RACK (GROUNDING, SHIELDING & SAFETY ISSUES) .....................................................19
USING THE NXAMP4X1 WITHOUT A RACK ..........................................................................................................................21
FUSES......................................................................................................................................................................................21
ELECTROMAGNETIC ENVIRONMENTS ...................................................................................................................................21
ANALOGUE INPUT SIGNAL CABLES ........................................................................................................................................21
NXAMP4X1 POWER OUTPUTS WIRING .................................................................................................................................23
GENERAL DESCRIPTION................................................................................................................................................24
GLOBAL ARCHITECTURE .......................................................................................................................................................24
POWER SUPPLY BLOCK ...........................................................................................................................................................24
ANALOG INPUT BLOCK ............................................................................................................................................................25
CONTROL BLOCK .....................................................................................................................................................................25
POWER AMPLIFIER BLOCKS......................................................................................................................................................26
POWER OUTPUTS BLOCK ..........................................................................................................................................................26
USER INTERFACE BLOCK..........................................................................................................................................................27
COMMUNICATION BLOCK ........................................................................................................................................................27
EXPANSION SLOT BLOCK .........................................................................................................................................................29
BLOCK DIAGRAM DESCRIPTION ................................................................................................................................30
PATCHING AND ROUTING (1) .................................................................................................................................................31
DELAY & POLARITY INVERSION (2) ......................................................................................................................................31
FACTORY SET-UP DELAY .........................................................................................................................................................31
USER SET-UP DELAY ................................................................................................................................................................31
EQUALISATION & FILTERING................................................................................................................................................31
SUBSONIC AND VHF FILTERING (3).........................................................................................................................................31
EQUALISING WIDEBAND ACOUSTICAL RESPONSE (3) ...............................................................................................................32
USER SET-UP, ARRAY EQ (4) ....................................................................................................................................................32
EQUALISING SINGLE COMPONENT RESPONSE AND NXSTREAM PROCESSING (5) ...................................................................32
CROSSOVER SECTION (6) .........................................................................................................................................................32
POST PROTECTION EQ AND LOW PASS (27) (28) ......................................................................................................................32
GAIN SECTION (29)..................................................................................................................................................................32
PROTECTIONS ........................................................................................................................................................................33
SOURCE SIGNALS FOR PROTECTION ALGORITHMS (25) ............................................................................................................33
DISPLACEMENT CONTROL (7) (8) (9) .......................................................................................................................................33
MECHANICAL STRESS CONTROL (10) (11) ...............................................................................................................................33
HF DISPLACEMENT CONTROL (12)...........................................................................................................................................34
HF ACCELERATION CONTROL (13)...........................................................................................................................................34
GLOBAL PURPOSE VCEQ (14).................................................................................................................................................34
LOUDSPEAKER PEAK LIMITERS(15) .........................................................................................................................................34
TEMPERATURE CONTROL (16) (17)..........................................................................................................................................34
INTERCHANNEL REGULATION (19)...........................................................................................................................................35
AMPLIFIER PEAK CURRENT LIMITER (20) .................................................................................................................................35
AMPLIFIER INTEGRATE CURRENT LIMITER (21)........................................................................................................................35
AMPLIFIER PEAK VOLTAGE LIMITER (22).................................................................................................................................35
AMPLIFIER SHORT CIRCUIT DETECTOR (24) .............................................................................................................................35
MENU DESCRIPTION .......................................................................................................................................................36
CHANGING CABINET FAMILY................................................................................................................................................36
ADJUSTING VOLUME .............................................................................................................................................................37
ADJUSTING DELAY.................................................................................................................................................................38
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Nexo NXAMP4X1 Specifications

General

Brand	Nexo
Model	NXAMP4X1
Category	Controller
Language	English