Question Kef KUBE 2 unusual problem

AndyMV

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Feb 25, 2012
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Having always wanted a set of KHT2005.3, I recently got hold of a used set in excellent condition. They've been running great for a few months, but a few days ago the Kube 2 sub went 100% while watching TV (I thought something had fallen over upstairs). It took me a while to even realise it was the sub as it only happens on a certain note(s), and for the most part works normally. I can replicate the fault by playing songs that I know will cause this to happen. If I lower the amp volume or sub gain control enough (below normal listening levels), the issue will disappear.

Some playing around with the sub's controls seemed to generate a temporary fix, but the problem has just returned. Really hope someone has a suggestion as it scares the hell out of me every time!

Andy.
 
I'm still struggling with this. Could anyone offer any insight?
 

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