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Hissing sound coming from tweeters

Right now I'm experiencing a hissing noise coming from the tweeters on my Klipsch RF7II's, and can't figure out what is causing the noise. It's almost like a white noise that is there when the amplifiers are powered on and is not affected by changes in volume.

My system consists of an Oppo BDP-83 blu-ray player, Ayre K-5xe preamp, and two Emotiva UPA-1 mono blocks. My cables are Audioquest King Cobra and Audioquest Emeralds. I would greatly appreciate any help resolving this problem. The hissing sound is very annoying. Thanks.
cfaille

Showing 2 responses by magfan

magfan
1,583 posts
 
89db snr @1 watt isn't high enough?

I'd experiment with cable placement / orientation before changes which cost $$$.
See if raising speaker cables off the floor or getting them away from the interconnects makes any change.....
magfan
1,583 posts
 
Pre / Power amp impedance mismatch?
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