• Do not place the device in an unstable position where it might accidentally fall over. Connections • Before connecting the device to other devices, turn off the power for all devices. Before turning the power on or off for all devices, set all volume levels to minimum. • Use only speaker cables for connecting speakers to the speaker jacks. Use of other types of cables may result in fire. • Be sure to observe the amplifier’s rated load impedance (see page 14), particularly when connecting speakers in parallel. Connecting an impedance load outside the amplifier's rated range can damage the amplifier. Handling caution • When choosing a power amplifier to use with your speakers, make sure that its power output matches the speakers’ power capacity (refer to the Specifications on page 14). Even if the amplifier’s power output is lower than the speakers’ power capacity, the speakers may be damaged when clipping of a high input signal occurs. The following may cause damage to speakers: -Feedback caused when using a microphone. -Continuous high sound pressure level produced by electronic instruments. -Continuous high-power output of distorted signals. -Popping noises caused by turning on equipment, or by connecting or disconnecting system components while the amplifier is turned on. • When turning on the AC power in your audio system, always turn on the power amplifier LAST, to avoid speaker damage. When turning the power off, the power amplifier should be turned off FIRST for the same reason. • Do not operate this device at high volume levels or at a level that is uncomfortable, since it is capable of producing sound levels that could cause permanent hearing loss. If you experience any discomfort or ringing in the ears, or suspect an hearing loss, you should consult an audiologist. Yamaha cannot be held responsible for damage caused by improper use or modifications to the device. * Illustrations herein are for explanatory purposes only, and may not match actual appearance during operation. * Company names and product names herein are trademarks or registered trademarks of their respective companies. For details on signal processor settings when driving speakers with the use of multiple power amplifiers, please refer to the web site below. Yamaha Pro Audio global web site 2 IF2115M/IF2112M Owner’s Manual (6)-1 English 3 IF2115M/IF2112M Owner’s Manual Bi-Amp/Passive switch Select the Bi-Amp mode (bi-amp drive) or the Passive mode (full-range drive). Do not change the Bi-amp/Passive setting while the speaker is in use. Neutrik Speakon NL4 plug wiring Connect the plugs as shown below. Be sure to use proper speaker cable – not shielded instrument or line cable – for all speaker connections. The Speakon jack and barrier strip terminals are connected in parallel. Suspended Installation . The strength of the suspension points on the speaker is 60 kg per point (maximum). . Before doing any installation or construction work, consul...

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