Table Of Contents - Lab.gruppen C Series C 16 4 Operation Manual

1 CONTENTs
1 CONTENTS .................................................................................................................................................2
2 APPROVALS ................................................................................................................................................4
3 WARNINGS .................................................................................................................................................4
3.1 Explanation of graphical symbols ........................................................................................................4
3.1.1 WARNING ................................................................................................................................4
3.1.2 CAUTION..................................................................................................................................4
3.2 Important Safety Instructions ..............................................................................................................4
3.3 User responsibility ...............................................................................................................................5
3.3.1 Mains connection grounding ....................................................................................................5
3.3.2 Speaker output hazard ..............................................................................................................5
3.3.3 Radio interference ....................................................................................................................5
3.3.4 Speaker damage .......................................................................................................................5
3.3.5 Maintenance .............................................................................................................................5
4 WELCOME ...................................................................................................................................................6
4.1 Introduction ..........................................................................................................................................6
4.2 Main Features ......................................................................................................................................6
4.2.1 Class TD amplifier and regulated switch-mode power supply .................................................6
4.2.2 Amplifier gain ...........................................................................................................................6
4.2.3 Voltage Peak Limiter (VPL) .......................................................................................................7
4.2.4 Protection and performance optimization .................................................................................7
4.2.5 NomadLink / Ethernet control and monitoring network ...........................................................7
5 INSTALLATION ...........................................................................................................................................8
5.1 Unpacking ............................................................................................................................................8
5.2 Mounting .............................................................................................................................................8
5.3 Cooling .................................................................................................................................................8
5.4 Operating voltage ................................................................................................................................8
5.5 Grounding ............................................................................................................................................9
6 quICk GuIdE OVERVIEW .......................................................................................................................10
6.1 Front-Panel overview .........................................................................................................................10
6.1.1 Power on/off and remote switch ............................................................................................10
6.1.2 Front Panel LED's ...................................................................................................................10
6.2 Rear-Panel overview ..........................................................................................................................11
6.2.1 The DIP-switch features .........................................................................................................11
6.3 NomadLink / Ethernet network setup ................................................................................................12
7 OPERATION ANd PERfORMANCE ........................................................................................................14
7.1 Introduction ........................................................................................................................................14
7.2 Operation precautions .......................................................................................................................14
7.3 Signal flow and headroom .................................................................................................................14
7.3.1 Signal flow blocks ...................................................................................................................14
7.3.2 Headroom, sensitivity and VPL / Gain settings ......................................................................15
7.4 Audio Input and Output connections, setup and features .................................................................16
7.4.1 Balanced / Unbalanced Input connection ...............................................................................16
2 C Series C 68:4, C 48:4, C 28:4 and C 16:4 Operation Manual
7.4.2 Output operation and connection ...........................................................................................16
7.4.3 Output bridge mode ...............................................................................................................16
7.4.4 Amplifier Gain .........................................................................................................................17
7.4.4.1 Channel gain / Level (front-panel pots) ..........................................................................17
7.4.4.2 Amplifier sensitivity .......................................................................................................17
7.4.5 Output Voltage Peak Limiter (VPL) .........................................................................................17
7.4.6 Constant Voltage 70 V and 100 V systems setup and operation ............................................18
7.4.7 Current Peak Limiter, (CPL) ....................................................................................................18
7.5 Protection, faults and warnings .........................................................................................................18
7.5.1 Introduction ............................................................................................................................18
7.5.2 Safe Operating Area Detector (SOAD) ...................................................................................18
7.5.3 Very High Frequency (VHF) protection ...................................................................................18
7.5.4 DC protection .........................................................................................................................19
7.5.5 High-impedance warning (open load) ....................................................................................19
7.5.6 Low-impedance protection (short circuit) ...............................................................................19
7.5.7 Temperature protection ..........................................................................................................20
7.5.8 Power Average Limiter (PAL) .................................................................................................20
7.5.9 Soft Start ................................................................................................................................20
7.6 Front-panel monitoring and adjustments ...........................................................................................21
7.6.1 Level indicators .......................................................................................................................21
7.6.2 Level adjust ............................................................................................................................21
7.6.3 Mute indication .......................................................................................................................21
7.6.4 Performance, Warning and Fault indicators ............................................................................22
7.7 NomadLink network and DeviceControl Software ............................................................................23
7.7.1 NomadLink network in the amplifiers ....................................................................................23
7.7.2 Connection and setup .............................................................................................................23
7.7.3 NomadLink network cable lengths .........................................................................................24
7.7.4 Ethernet network cable lengths .............................................................................................25
7.7.5 DeviceControl software ..........................................................................................................25
8 APPENdIx .................................................................................................................................................26
8.1 Maintenance ......................................................................................................................................26
8.2 FAQ ....................................................................................................................................................26
8.3 Additional documentation ..................................................................................................................27
8.4 Current Draw and Thermal Dissipation specifications .......................................................................28
9 TEChNICAL SPECIfICATIONS ................................................................................................................30
10 WARRANTY ..............................................................................................................................................31
C Series C 68:4, C 48:4, C 28:4 and C 16:4 Operation Manual 3
CONTENTs 1