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LA4X
L-Acoustics LA4X User Manual
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Installation
Analog audio
Balanced cables
Symmetrical (balanced) shielded cables are highly recommended as balanced signals are less sensitive to AC
hum and radio interference.
Unbalanced lines may add noise especially over long cable runs.
In a daisy-chain layout, the male XLR link connectors LINK A to LINK D feed the input signals to the next amplied
controller in the signal chain.
Daisy-chaining analog audio
IN
A
IN
C
IN
B
IN
D
LINK
A
LINK
B
21
LA4X
user
manual
(EN)
version
9.1
20
22
Table of Contents
Table of Contents
3
Safety
5
Important Safety Instructions
5
Additional Important Safety Instructions
6
Symbols
7
System Components
9
Technical Description
10
Main Features
10
Internal Components
10
Front and Rear Panels
10
Signal Processing
11
Signal Inputs
11
DSP Architecture
12
Power Supply and AmpliEr Section
13
Speaker Outputs
13
Speaker Protection
13
Monitoring and Control
13
User Interface
13
L-NET Remote Control Network
13
Installation
14
Mounting
14
Ventilation
15
Connecting to AC Mains
15
Electrical SpeciCations
15
Planning the Power of the Electrical Generator
16
Power Cord
16
Plugging the AmpliEd Controller
17
Power Consumption
17
Heat Power Calculation
17
Audio and Network Cabling
18
Connection Panels
18
Analog Audio
21
Digital Audio
22
L-Net
23
Speaker
23
Operation
27
Powering on
27
Powering off
27
Setting to Standby Mode
28
Interpreting the Front Panel Leds
28
Status
28
L-Net
28
Meters
29
Out
29
Main Screen Description
30
Using Quick Access Functions
31
Locking/Unlocking the Front Panel
31
Muting/Unmuting an Output Channel
31
Modifying Gain
32
Identifying an AmpliEd Controller
32
Displaying Input Level, Input Selection, Input Mode and Group Information
33
Using the Main Menu
34
Load Preset
35
Store Preset
37
Delete Preset
38
Preset Parameters
38
Clear Group Params
40
Input Settings
41
Monitoring & Info
45
Options
47
Settings Protection
51
Maintenance
53
Error Messages
53
Component Status Messages
53
Output Channel External Error Messages
53
Output Channel Internal Error Messages
53
Network Message
53
Other Messages
54
Glossary
54
SpeciCations
55
General
55
Input Signal Distribution
56
Analog Input
56
Digital Input
57
Latency
57
Physical Data
58
Approvals
59
Other manuals for L-Acoustics LA4X
Owner's Manual
83 pages
Maintenance Manual
24 pages
Technical Bulletin
5 pages
Product Information
36 pages
5
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L-Acoustics LA4X Specifications
General
Brand
L-Acoustics
Model
LA4X
Category
Controller
Language
English
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