K12 Service Manual Brandname: QSC Category: Speakers Total Pages: 70 Table of contents TableofContents31Introduction5KSeries73Firmware841SeriesDescription1143Ksub1251BucketofPower1552FrontGrille16Procedures20Procedures2372PsuamplifierBoard2473InputdspBoard258Testing2683LoudspeakerTesting299TroubleshootingGuide31