Mackie SRM650 - Hum and Noise Troubleshooting; Product Repair and Service Options

Owner’s Manual
19
Owner’s Manual
Hum
• Trydisconnectingthecableconnectedtothemain
  inputjack.Ifthenoisedisappears,itcouldbe
  a“groundloop,”ratherthanaproblemwiththe
  SRMloudspeaker.Trysomeofthefollowing 
  troubleshootingideas:
• Usebalancedconnectionsthroughoutyoursystem
  forthebestnoiserejection.
• Wheneverpossible,plugalltheaudioequipment’s
  linecordsintooutletswhichshareacommon
  ground.Thedistancebetweentheoutletsandthe
  commongroundshouldbeasshortaspossible.
Repair
Forwarrantyservice,refertothewarranty
informationonpage27.
Non-warrantyserviceisavailableatafactory-
authorizedservicecenter.Tolocatethenearest
servicecenter,visitwww.720trees.com,click“Contact
TechSupport”andselect“LocateaServiceCenter
orDistributor”[3].ServiceforSRMloudspeakersliving
outsidetheUnitedStatescanbeobtainedthroughlocal
dealersordistributors.
Ifyoudonothaveaccesstoourwebsite,youmaycall
theTechSupportdepartmentat1-800-898-3211,
Monday-Friday,duringnormalbusinesshours,Pacic
Time,toexplaintheproblem.TechSupportwilltellyou
wherethenearestfactory-authorizedservicecenteris
locatedinyourarea.