2
TableofContents
1.0 Introduction......................................................................................................................................................3
2.0 Overview..........................................................................................................................................................4
2.1 3124mb+FeaturesandIntroduction............................................................................................................4
3.0 SignalFlowandBlockDiagrams........................................................................................................................5
3.1 3124mb+SignalFlow....................................................................................................................................5
3.2 AdditionalRouting........................................................................................................................................5
3.2.1 Insert................................................................................................................................................5
3.2.2 AuxiliarySend/Return......................................................................................................................5
3.3 PreamplifierBlockDiagram..........................................................................................................................6
3.4 StereoMixerBlockDiagram.........................................................................................................................7
4.0 InputSection:Mic/Instrument/LinePreamplifier..............................................................................................8
4.1 PreamplifierOverviewandFeatures............................................................................................................8
4.2 PreamplifierControls....................................................................................................................................8
4.3 InputSelection..............................................................................................................................................9
4.3.1 MICSwitch.......................................................................................................................................9
4.3.2 MicrophoneInput............................................................................................................................9
4.3.3 InstrumentInput............................................................................................................................10
4.4 PolarityInverter..........................................................................................................................................10
4.5 VUMeter.....................................................................................................................................................10
4.6 DirectOutput..............................................................................................................................................10
4.7 PreamplifierBlockDiagram........................................................................................................................11
5.0 OutputSection:StereoMixer..........................................................................................................................12
5.1 StereoMixerOverviewandFeatures.........................................................................................................12
5.2 StereoMixerControls.................................................................................................................................12
5.2.1 Masters..........................................................................................................................................12
5.2.2 AuxiliaryLevel................................................................................................................................12
5.2.3 AuxiliaryReturnPan......................................................................................................................13
5.3 StereoMixerBlockDiagram.......................................................................................................................13
6.0 PanelInterfaces..............................................................................................................................................14
6.1 AudioPathInputs.......................................................................................................................................14
6.1.1 FrontPanel.....................................................................................................................................14
6.1.2 RearPanel......................................................................................................................................14
6.2 AudioPathOutputs.....................................................................................................................................14
6.2.1 RearPanel......................................................................................................................................14
7.0 ACPower........................................................................................................................................................15
8.0 CustomerSupport...........................................................................................................................................15
Appendix....................................................................................................................................................................16
i. Specifications..............................................................................................................................................16
