Yamaha IS1118(W) Owner's Manual

Also see for IS1118: Application guide Owner's manual Owner's manual

Contents

English3IS1215/IS1118/IS1218 Owner’s ManualDISCRETE /PARALLEL switch[Not applicable to the IS1118(W)]Select the DISCRETE mode or the PARALLEL mode.Do not change the DISCRETE / PARALLEL setting while thespeaker is in use.Neutrik Speakon NL4 plug wiringConnect the plugs as shown below.Be sure to use proper speaker cable – not shielded instrumentor line cable – for all speaker connections.The Speakon jack and barrier strip terminals areconnected in parallel.Suspended Installation● The strength of the suspension points on the speaker is 60 kgper point (maximum).● Before doing any installation or construction work, consultwith an installation expert.● When choosing the installation location, suspension wire andmounting hardware, make sure all are strong enough tosupport the weight of the speaker.● Some fittings may deteriorate over extended periods of timedue to wear and or corrosion. For optimum safety, theinstallation should be checked thoroughly at regular intervals.■ Using eye bolts for suspensionFor optimum safety, make sure to carefully follow theprecautions below.● Use only the supplied eye bolts.● Use three or more eye bolts for suspended installations.● Use the optional array frame if you intend to suspend aspeaker from another suspended speaker.● Install the eye bolts to multiple surfaces of the speaker, notjust one surface.■ Eye bolt strengthKeep in mind that the strength of the eye bolt differsdepending on the suspension angle of the speaker. Makesure that the load for each eye bolt is less than 740 kgwhen suspending at an angle of 0 degrees, and less than185 kg at an angle of 45 degrees.When using the eye bolts, make sure that the suspension angleis within the range of 0 to 45 degrees, as shown below.Do not suspend the eye bolts as shown in the diagram below.NEUTRIK plug Discrete Parallel1+ LF1+ +1– LF1– –2+ LF2+2– LF2–CAUTIONCAUTION2+ 2-1- 1+NOTEYamaha cannot be held responsible for damage or injurycaused by insufficient strength of the support structureor improper installation.CAUTIONCAUTIONCAUTION0º (740kg)45º (185kg)90º (148kg)CAUTION

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