Question about Yamaha Audio & Video Receivers
Hi my yamaha emx5000/12 after a few hours use has started first to lose power and brightness ( sound from speakers is muffled) then it cuts out, it does come back again when the input signal is cut. It is not set any higher than usual, a short time ago I had a problem with one channell not working properly till the amp had been on for around 5 minutes, this seemed to fix itself are the two problems connected. Richard
Posted on Mar 09, 2009
Probably not the way to go about hooking it up. running speakers in series is not very practical with PA gear. The connections get messy to make as you need adaptor leads, and it is something that is seldom ever done.. When you use bridge mode it uses left and right channel together to drive the one output, combining the power. Best bet is to run the EMX5000 in stereo mode, and connect 1 speaker to each channel. You may have been trying to reel in extra power from using bridge mode, but the power amp stages in the EMX will only ever be able to deliver the same MAX power whether in bridge or stereo. the best way to get maximum power and sound pressure levels from the unit is to hook TWO speaker boxes to each channel, you get the combined increase in efficiency of the extra speakers and run the output stages at 4 ohms to get absolutely all the power available
If you have any questions about it, feel free to ask me, happy to talk to you further about it.
Posted on Sep 11, 2008
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