Soundcraft GB4 User Manual

1GB4 User GuideGB4 UserGB4 UserGB4 UserGB4 UserGB4 UserGuideGuideGuideGuideGuide

10 GB4 User GuideIMPORTANT SAFETY WARNINGSTHIS UNIT MUST BE EARTHEDUnder no circumstances should the mains earth be disconnected from the mainslead.Th

11GB4 User GuideWARNINGS• Read these instructions.• Keep these instructions.• Heed all warnings.• Follow all instructions.• This unit contains no user

12 GB4 User GuideGeneral PrecautionsAvoid storing or using the mixing console in conditions of excessive heat or cold, or in positions where it is lik

13GB4 User GuideInitial Wiring ConsiderationsFor optimum performance, it is essential for the earthing system to be clean and noise free, as all signa

14 GB4 User GuidePoints to RememberIn all cases, use good quality twin screened audio cable. Check for instability at the output.Always connect both c

15GB4 User GuideSetting Up & TroubleshootingInitial set-upOnce you have connected up your system (see the sections on connection and wiring earlie

16 GB4 User GuideMeMeMeMeMetttttererererers nos nos nos nos not shot shot shot shot showing anwing anwing anwing anwing any signaly signaly signaly si

17GB4 User GuideAudio Connector Pinouts

18 GB4 User GuideDimensions

19GB4 User GuideBlocBlocBlocBlocBlock Diak Diak Diak Diak Diagggggrrrrramsamsamsamsams

2 GB4 User Guide© Harman International Industries Ltd. 2004, 2005All rights reservedParts of the design of this product may be protected by worldwide

20 GB4 User GuideMono Input

21GB4 User GuideStereo Input231CHASSCHASSCHASSCHASS+48vLINEMIC+480dBuGAIN10dB60dBPUSH231LINEMIC0dBuDETECTPEAKHMID-15dB+15dBHF-15dB -15dBLF+15dB +15dBL

22 GB4 User GuideTalkback and Stereo ReturnsCHASSCHASSCHASSCHASSCHASSGROUPS AUX 1-2 AUX 3-4 AUX 5-6 AUX 7-8PUSH231TALKBACKLEVELTB MICSTE RET 1LRRET 1L

23GB4 User GuideGroup/Aux/Matrix Outputs

24 GB4 User GuideMaster Section

25GB4 User GuideUsing Using Using Using Using TTTTThe Consolehe Consolehe Consolehe Consolehe Console

26 GB4 User GuideMono InputMIC GAIN (1) adjusts the sensitivity of both mic (XLR) and Line (1/4” jack) inputs. Both inputsare electronically balanced

27GB4 User GuideRear ConnectorsINSERT (1/4" TRS Jack)Tip Send SignalRing Return SignalSleeve GroundLINE INPUT (1/4" TRS Jack)Tip Signal HotR

28 GB4 User GuideStereo InputSTE MIC GAIN (1) adjusts the sensitivity of both pairs of Mic (XLRs) or Line (1/4" jacks) inputs.Both pairs are elec

29GB4 User GuideRear ConnectorsMIC INPUT LEFT and RIGHT (3 pin female XLR)Pin 1 GroundPin 2 Signal HotPin 3 Signal ColdLINE INPUT LEFT and RIGHT (1/4&

3GB4 User GuideContentsContentsContentsContentsContentsIntroduction 5Key Features 6Warranty 7Installation 9SAFETY SYMBOL GUIDE 9IMPORTANT SAFETY WARNI

30 GB4 User Guide3814151112139101657421730233541252116203431223739384036243229272826331918

31GB4 User GuideMaster SectionGROUPSNote that the group controls are swappable with the aux 1-4 controls by pressing the GRP/AUXSWAP switches (1). If

32 GB4 User GuideL, R & C OutputsEach of the 3 main mix busses, Left, Right and Centre, has its own insert point. These arelocated on the rear con

33GB4 User GuideTalkbackThe talkback mic input is on the rear connector panel.The level of the talkback mic signal is controlled by the LEVEL pot (35)

34 GB4 User GuideMIX L, R & C INSERT POINTS (1/4” TRS Jacks)Tip Send SignalRing Return SignalSleeve ChassisL & R MONITOR OUTPUTS (1/4” TRS Jac

35GB4 User GuideTYPICAL SPECIFICATYPICAL SPECIFICATYPICAL SPECIFICATYPICAL SPECIFICATYPICAL SPECIFICATIONSTIONSTIONSTIONSTIONSNoiseMeasured RMS, 22Hz

36 GB4 User Guide

37GB4 User GuideMarMarMarMarMark-up Sheetsk-up Sheetsk-up Sheetsk-up Sheetsk-up Sheets

38 GB4 User GuideEQEQHIMIDHFLOMIDLF15129633691215-+015129633691215-+055013k3k80 1.9k45015129633691215-+015129633691215-+060dB305100HzGAINMIC48VPKLINE-

39GB4 User Guide60dB305GAINMICSTE48VPKLINE-20=HFHMLMLF15129633691215-+015129633691215-+015129633691215-+015129633691215-+0EQ1050510152030+16+80-10M1M2

4 GB4 User GuideNOTE: This equipment has been tested and found to comply with the limits for a Class A digitaldevice, pursuant to Part 15 of the FCC R

40 GB4 User Guide

5GB4 User GuideIntrIntrIntrIntrIntroductionoductionoductionoductionoduction

6 GB4 User GuideKey FeaturesThank you for buying the GB4 mixing console. its main features are:Individually switched 48V phantom power on every mono i

7GB4 User GuideWarranty1 Soundcraft is a trading division of Harman International Industries Ltd.End User means the person who first puts the equipmen

8 GB4 User Guide

9GB4 User GuideInstallaInstallaInstallaInstallaInstallationtiontiontiontionFor your own safety and to avoidinvalidation of the warranty pleaseread thi