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NXAMP4X1
Nexo NXAMP4X1 User Manual
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BLOCK DIAGRAM DESCRIPTION
Block diagr
am description
The block diagram bellow shows
the global signal path insi
de the DSPs, for one channel
(identical for all the chan
nels):
The detail of each block numbered is given bellow.
PAGE 30 OF 80
29
31
Table of Contents
Table of Content
6
Table of Contents
6
Dsp Core
10
Integrated Amplifier
10
Level and Latency
10
Nxamp4X1 Versus Nx242: What's New
10
Software
10
What' Changed?
10
What's Remaining the same
10
Computing Resources
11
Ethersound™ Optional Board
11
Four Separate Inputs
11
Power Supply
11
User Interface
11
Amplifier Indicators
12
What's Changed
10
Quick Start
12
Encoder
13
Lcd Display
13
Mute Buttons
13
Navigation Buttons (a & B)
13
Select Buttons
13
Volume Indicators
13
Air Intakes
14
Channel Indicators
14
Screw Holes for Handles
14
Front Panel Description
12
Power Switch
12
Back Panel Description
15
Balanced Audio Inputs with Link
15
Expansion Slot
15
Gpio Port
15
Mains Connectors
15
Power Outputs
15
Rs-232 Port
15
Basic Functions
16
Rear End Mounting Holes
16
Reset
16
Select Your Cabinet Set-Up
16
Selecting Cabinet Family
16
Auto Save
17
Back to Default
17
Enter the Download Mode
17
Using the Amplifier Without the Tdcontroller Functionality
17
What's Inside the Carton Box
18
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
Communication Block
27
User Interface Block
27
Expansion Slot Block
29
Block Diagram Description
30
Patching and Routing (1)
31
Subsonic and Vhf Filtering (3)
31
User Set-Up Delay
31
Crossover Section (6)
32
Equalising Single Component Response and Nxstream Processing (5)
32
Equalising Wideband Acoustical Response (3)
32
Gain Section (29)
32
Post Protection Eq and Low Pass (27) (28)
32
User Set - up , Array Eq (4)
32
Displacement Control (7) (8) (9)
33
Mechanical Stress Control (10) (11)
33
Delay & Polarity Inversion (2)
31
Equalisation & Filtering
31
Factory Set-Up Delay
31
Protections
33
Source Signals for Protection Algorithms (25)
33
Global Purpose Vceq (14)
34
Hf Acceleration Control (13)
34
Hf Displacement Control (12)
34
Loudspeaker Peak Limiters (15)
34
Temperature Control (16) (17)
34
Amplifier Integrate Current Limiter (21)
35
Amplifier Peak Current Limiter (20)
35
Amplifier Peak Voltage Limiter (22)
35
Amplifier Short Circuit Detector (24)
35
Interchannel Regulation (19)
35
Menu Description
36
Changing Cabinet Family
36
Adjusting Volume
37
Adjusting Delay
38
Adjusting Gain
39
Option Menu
40
Adjusting Array Eq
39
Options Menu
40
System Config
40
Input Patch
41
Save/Recall User Setups
43
Gpio Mode
45
Security
45
Miscellaneous Options
46
About « Loudspeaker Management Devices
47
Installation Recommendations
47
Operating Sub's Fed through an Aux Output
47
Operation of Multiple Powered Tdcontrollers
47
Audio Chain Recommendations
47
System Alignment
47
Geometrical Alignment
48
Measuring and Aligning Phase in the Overlapping Region
48
Ethersound ™ in Port
50
Ethersound ™ Network Status Led S
50
Nxes104 Expansion Board and Remote Control
50
Nxes104 Physical Description
50
Ethersound out Port
51
Mono-Directional, Non ES100 Devices
51
Remote Es100 Port
51
Various Ethersound™ Devices Description
51
Bi-Directional, Non ES100 Devices
52
Es100 Devices
52
Es100/Spkr Devices
52
Ethernet Additional Hardware
52
Hubs
52
Ethernet Cables
53
Switches
53
Wireless Lan
53
Fiber Optic
55
Installation Inside the Nxamp4X1
56
NXAMP Control Page in Esmonitor Software
56
Delay Unit
57
Input Meters
57
Input Meters Choice
57
Arrayeq Settings
58
Delay Settings
58
Gain Control
58
Input Patch
58
Mute Button
58
Output Meters
58
Security
58
Volume Control
58
Virtual Front Panel
59
Nxwin4 Software for Nxamp4X1 Firmware Upgrade
60
Serial Port Upgrade
60
What You Need to Upgrade Your Nxamp4X1
60
Connect the Computer to the Nxamp4X1
61
Ethersound™ in Port
61
Ethersound™ Upgrade
61
Remote Es100 Port
61
Rs-232 Serial Port
61
Using the Nxwin4 Software
61
Begin the Upgrade
63
In Download Mode
63
Choosing a Cabinet Setup
64
Select Your Cabinet Set-Up
64
Selecting Cabinet Family
64
Using the Controller after a Firmware Update
64
Technical Specifications
65
Thermal Dissipation and Current Drawn
66
Dimensions
66
Application Note: Driving the Sub from the Aux Send
67
Consequences of Badly Aligned Systems
67
What Is the Phase Relation between the Aux and Main Output of Your Desk
67
Why It Is Unlikely the Aux and Main Have the same Phase
67
Precautions & Check
68
Appendix A : List of Supported Presets (Load2_48)
70
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Nexo NXAMP4X1 Specifications
General
Brand
Nexo
Model
NXAMP4X1
Category
Controller
Language
English
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