Abbingdon Music Research LS-77 owner manual Epsilon/Zeta System wiring

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LS - 77 PROFESSIONAL MONITOR

LS - 77 PROFESSIONAL MONITOR

Frequency Response:	Peak Prog. Handing:	Cont. Power Handing:	Impedance:	Sensitivity:
27Hz-40kHz	600W	150W	8Ohms	87dB

IN
			Level	High
OUT	LF	HF	Adjustment	Frequency
				Output (dB)
			Frequency (
			Hz)

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LS-77 Professional Monitor

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Frequency (Hz)

)Bd( Output

				Frequency	Adjustment	HF	LF	OUT
				High	Level
								IN
87dB	8Ohms	150W	600W	27Hz-40kHz
Sensitivity:	Impedance:	Cont. Power Handing:	Peak Prog. Handing:	Frequency Response:

In from Amplifier

Epsilon/Zeta System wiring

46

Image 46

Contents LS-77 Reference Class Professional Monitor Loudspeakers Page Page Precautions Running-InContents Page Unpacking Front Panel of the LS-77Please check that all contents are present Component Overview LS-77 Front FasciaContact with the chassis Connecting the loudspeakers SetupUsing AMRs OptiLink Speakon Cable Speaker R Speaker L Using Binding Posts Speaker Cable Stereo Amplifier Interconnect Cable Multi-channel set up Connecting the amplifierChoice of loudspeaker cable Symmetry and room modes PositioningDistance between the loudspeakers Distance to the loudspeakers Distance to back and side wallsLevelling/Speaker Support Loudspeaker Toe-in Room and furniture influenceCare & Maintainance Care and maintenanceRunning-in the loudspeakers Power rating LS- 77 Technical Features Troubleshooting Troubleshooting GuideSpecifications Specifications TableAppendix 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 Appendix D The AMR Active System AM-77 Control Center Edition CCESetting up the AMR Active System Line Level ConnectionSpeaker Connection Scenario Testing and Troubleshooting the AMR Active System AMR Active System Configuration Diagram LS-77 Speaker LAppendix E LS-77 in OptiArray configurations Introducing AMRs OptiArray scalable acoustic systemPage AMR recommends the following OptiArray Setups Epsilon/Zeta Iota/Zappa Omicron/Sigma Epsilon/Zeta System wiring Good acoustics Appendix G Acoustics Background In formationAcoustics Reverberation timePage Absorbers DiffusersAbsorption or Diffusion ? Membrane absorbersStanding Waves Porous absorbersRoom modes