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Powered mixer gain

I recently purchased a Peavey XR 684 mixer.  I've noticed that channels 1, 7 & 8 seem to come up loud & clear but the remaining channels have noticeably less gain and I have to boost them considerably.  This mixer is about 4 years old.  What am I missing?

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Use good brand contact cleaner from radio shack or other electronics store and apply spray in the slider of defective channel and move each slider up and down many the way check cabels which feed bad channel for a good condition and test these channel with the good cabel of good channel to confirm that the trouble in channel itself.after all if it is hopeless pass the mixer to service center to fix it.

Posted on Mar 11, 2008


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There is not enough info here to provide a complete answer, but let me give you some background:

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