Question about Mackie MR5-MK2 5" Powered 2 Way Reference Monitor

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Loud buzzing when turn on, no input signal

Have been using these fine for a year, then all of the sudden the right monitor started emitting a very loud static/buzzing noise. At first I thought maybe I'd blown it but I don't see any signs the cone is damaged, and it now starts making the sound as soon as I plug it in, whether or not there is an input signal. I tried checked the fuse & it seems fine, I tried switching out the power cable and input cable one by one from the good speaker, but no change. Any suggestions? Thanks

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Put a song onto play using either tape, vinyl, cd or mp3.

once playing follow the wires from the speaker that doesn't work bending it until you hear it crack or become clear if it does either of those it is the wire between the head unit and the output.

if not you can try attaching the speakers to a different head unit if it doenst work it could be the driver (the cone doesn't have to go to blow a speaker)

Posted on Jan 02, 2014

Testimonial: "Already tried switching the speaker to the good ((working) speakers power cable and input cable/wires with same result. Which leads me to a problem within the speaker itself.... checked fuse already as well. It makes sound with power only on. I was going to open the back and see if any visible issues with bad capacitors or ?? I have a little experience with solder/resolder work and probably can replace something if it's blown. I don't think my monitor is still under warranty, but I'll check. It's just over a year now naturally. Thanks"

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