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Lab.gruppen C Series C 10 4X Operation Manual

Manual is about: Lab.gruppen C Series C 10 4X: User Guide

Summary of C Series C 10 4X

  • Page 1

    Rev. 1.0.2 operation manual c series dedicated installation amplifiers • c 20:8x • c 10:8x • c 10:4x • c 5:4x item no. Om-cxs.

  • Page 2: 1  Contents

    2 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 1 contents .................................................................................................................................................2 2 approvals ....................................................................

  • Page 3: Contents  1

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 3 7.4.1 balanced / unbalanced input connection ...............................................................................17 7.4.2 output operation and connection .........................................................................

  • Page 4: 2  Approvals

    4 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual this equipment conforms to the requirements of the emc directive 2004/108/ec and the requirements of the low voltage directive 2006/95/ec. Standards applied: emc emission en55103-1, e3 emc immunity en55103-2, e3, with s/n below 1% at n...

  • Page 5: Warnings  3

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 5 warnings 3 3.3 user responsibility 3.3.1 mains connection grounding your amplifier must be connected to a grounded socket outlet. 3.3.2 speaker output hazard power amplifiers are capable of producing hazardous output voltages. To avoid...

  • Page 6: 4  Welcome

    6 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 4 welcome 4.1 introduction thank you for choosing lab.Gruppen c series power amplifiers for your sound reinforcement system installation. We are confident that you will be very pleased with the performance, configuration flexibility, r...

  • Page 7: Welcome  4

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 7 4.2.2 amplifier gain for greater flexibility in system integration, c...X amplifiers allow gain adjustment from +29 to +38 db in 3 db steps. If the input signal is weak, the gain can be boosted to maintain maximum power output while av...

  • Page 8: 4  Welcome

    8 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual the 35 hz high-pass filter rolls off low frequencies (6 db/octave) for greater efficiency and reliability in, for example, 70/100 v high impedance systems where the removal of very low frequency content may be desired. 4.2.6 nomadlink ...

  • Page 9: Installation  5

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 9 5.1 unpacking carefully open the shipping carton and check for any noticeable damage. Every lab.Gruppen amplifier is tested and inspected before leaving the factory and should arrive in perfect condition. If any damage is discovered, p...

  • Page 10: 5  Installation

    10 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 5.5 grounding there is no ground lift switch or terminal on the c series amplifiers. The signal ground is always floating, via a resistor, to chassis and therefore the grounding system is automatic. In the interests of safety, never d...

  • Page 11

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 11 11 this page intentionally left blank.

  • Page 12: 6  Quick Guide Overview

    12 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 6 quick guide overview the amplifier’s front panel presents the per- formance and fault condition indicators (1), power and remote switches (2), and a remov- able dust filter cover (3). Level potentiometers located behind the protecti...

  • Page 13: Quick Guide Overview  6

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 13 quick guide overview 6 . 6.2.1 the dip-switch features the following features may be adjusted using the dip-switches on the rear panel of the amplifier. See section 7.4 for more information. Gain - set for all four or eight channels f...

  • Page 14: 6  Quick Guide Overview

    14 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 6 quick guide overview 6.3 nomadlink / ethernet network setup the amplifier includes, as a standard feature, internal facilities for the nomadlink monitoring and control network. All features of the nomadlink network are accessible vi...

  • Page 15: Quick Guide Overview  6

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 15 ser. N:o removed! D c b a h g f e speaker outputs ch a ch b ch c ch d ch e ch f ch g ch h balanced inputs bridge a+b bridge e+f vpl ch a mode hp 35h vpl ch e mode hp 35h vpl ch f mode hp 35h vpl ch g mode hp 35h vpl ch h mode hp 35h v...

  • Page 16

    16 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 7.1 introduction the following sections provide comprehensive infor- mation on amplifier connection, setup, operation, and performance. The detailed information included here is essential to realizing the full functionality of the c s...

  • Page 17

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 17 7.4 audio input and output con- nections, setup and features 7.4.1 balanced / unbalanced input connection figure 7: phoenix-type input connector field electronically balanced, phoenix-type inputs are provided on all channels. Follow t...

  • Page 18

    18 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual at the cost of headroom. The c series amplifiers work on globally set constant gain, and automatically compensate the input gain by -6 db. For example, if the amplifier is configured in a three channel mode, then the selected gain is ...

  • Page 19

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 19 to configure an individual output channel for a constant voltage system, you simply adjust the dip-switches to the desired voltage. However, when using an output for a low-impedance system ( 4, 8 or 16 ohms), then sometimes you need t...

  • Page 20

    20 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 7.5.3 general purpose inputs (gpi) the gpi functions are enabled only when the front panel power and remote switches are both in the on position. Gpi functions respond to closure of the two associated gpi pins. Two modes of remote pow...

  • Page 21

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 21 the attack time for the vhf protection is increa- singly shorter at higher frequencies. For example, an ultrasonic continuous signal will cause the outputs to mute rapidly, where it will take several milliseconds for a 10 khz continuo...

  • Page 22

    22 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 7.6.8 soft-start high powered amplifiers with inadequate inrush limiting can pull considerable current from the mains at turn-on. This can result in fast acting mains breakers tripping. Such is not the case with c series amplifiers. T...

  • Page 23

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 23 7.7.2 level adjust step attenuation 1 (min) -inf. Db 2 -inf. Db 3 -50 db 4 -40 db 5 -35 db 6 -21.5 db 7 -17.3 db 8 -14.7 db 9 -12.9 db 10 -11.4 db 11 -10.0 db 12 -8.7 db 13 -7.4 db 14 -6.0 db 15 -4.5 db 16 -2.7 db 17 -0.6 db 18 -0.3 d...

  • Page 24

    24 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 7.8 nomadlink network and devicecontrol software 7.8.1 nomadlink network in the amplifiers figure 12: rear panel nomadlink connections all c series amplifiers are equipped with the pro- prietary nomadlink network interface. This inclu...

  • Page 25

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 25 7.8.3 nomadlink network cable lengths the connection between the nlb 60e and your pc is a standard ethernet network running the tcp/ip protocol. Cable distances between nlb 60e and your pc follow standard rules for ethernet systems. I...

  • Page 26

    26 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 7.8.4 devicecontrol software devicecontrol is lab.Gruppen’s proprietary software application for monitoring and controlling networked c series (as well as fp+ series) power amplifiers. De- vicecontrol runs on a windows pc, which conne...

  • Page 27: Appendix  8

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 27 8.1 maintenance during normal operation your c series amplifier will provide trouble-free service. The only user mainte- nance required is to periodically vacuum clean the foam dust filters behind the front grille. In some extreme cas...

  • Page 28: 8  Appendix

    28 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 8.4 current draw and thermal dissipation specifications the following tables contain information on measured current consumption as well as calculated heat dissipation at normal operation (1/8 of rated power); and at extreme heavy dut...

  • Page 29: Appendix  8

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 29 appendix 8 c 10:4x level load rated power line current *2) watt *1) thermal dissipation 120 vac 230 vac in out dissipated btu/hr kcal/hr standby w. Remote power off via nomadlink 6 0 6 20 5 power on, idling 91 0 91 312 79 amp watt pin...

  • Page 30: 8  Appendix

    30 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 8.5 signal flow and vpl to output measurements the table below shows the block signal flow of the c...X series amplifiers, as well as a table providing output power based on the settings of the rear panel vpl dip-switches. Vpl set to ...

  • Page 31

    C series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual 31 technical specifications 9 following are the c...X technical specifications. These figures are accurate at the time of printing but please note that all figures are subject to change without notice. For the most accurate and current i...

  • Page 32: 10  Warranty

    32 c series c 20:8x, c 10:8x, c 10:4x and c 5:4x operation manual general this product is manufactured by lab.Gruppen, and it is warranted to be free from any defects caused by components or factory workmanship, under normal use and service, for a period of six (6) years from date of purchase from a...

  • Page 33

    L a b . G r u p p e n a b • s w e d e n i n t e r n a t i o n a l c o n t a c t • i n f o @ l a b g r u p p e n . C o m u s c o n t a c t • i n f o u s @ t c e l e c t r o n i c . C o m w w w . L a b g r u p p e n . C o m.