Abbingdon Music Research LS-77 owner manual Epsilon/Zeta Iota/Zappa Omicron/Sigma

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AMR offers preconfigured wiring harnesses and where neccesary mounting and safety hardware for all larger OptiArray® systems. However, due to the complexity of setting up the larger OptiArray® systems we recommend to arrange the installation with your AMR retailer.

The following pages show the wiring diagrams and setup options for some of the recommend speaker arrangements (the Epsilon/Zeta systems, the Iota/Kappa systems and finally the Omicron/Sigma systems). Available page space prohibits the illustration of the largest configurations.

Overleaf you will find a large size representation of the Epsilon/Zeta setup illustrating in detail the arrangemnt, wiring and other details...

Epsilon/Zeta

Iota/Zappa

Omicron/Sigma

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Contents LS-77 Reference Class Professional Monitor Loudspeakers Page Page Running-In PrecautionsContents Page Front Panel of the LS-77 UnpackingPlease check that all contents are present LS-77 Front Fascia Component OverviewContact with the chassis Setup Connecting the loudspeakersUsing AMRs OptiLink Speakon Cable Speaker R Speaker L Using Binding Posts Speaker Cable Stereo Amplifier Interconnect Cable Connecting the amplifier Multi-channel set upChoice of loudspeaker cable Positioning Symmetry and room modesDistance between the loudspeakers Distance to back and side walls Distance to the loudspeakersLevelling/Speaker Support Room and furniture influence Loudspeaker Toe-inCare and maintenance Care & MaintainanceRunning-in the loudspeakers Power rating LS- 77 Technical Features Troubleshooting Guide TroubleshootingSpecifications Table SpecificationsAppendix a Adjustment of tonal balan ce HF Level Placement Suggestions HF Level R1 Placement Appendix B Abbingdon Acoustic Setup Regime Page ~100″/254cm ~115 ″/290cm Page Page Appendix C Biamplifying the LS-77 LS-77 Speaker R Speaker L Speaker Cable AM-77 Control Center Edition CCE Appendix D The AMR Active SystemLine Level Connection Setting up the AMR Active SystemSpeaker Connection Scenario Testing and Troubleshooting the AMR Active System LS-77 Speaker L AMR Active System Configuration DiagramIntroducing AMRs OptiArray scalable acoustic system Appendix E LS-77 in OptiArray configurationsPage AMR recommends the following OptiArray Setups Epsilon/Zeta Iota/Zappa Omicron/Sigma Epsilon/Zeta System wiring Acoustics Appendix G Acoustics Background In formationGood acoustics Reverberation timePage Absorption or Diffusion ? DiffusersAbsorbers Membrane absorbersPorous absorbers Standing WavesRoom modes