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Faint speaker hiss

Was wondering if anyone here might be able to help me out. I recently acquired a new naim integrated (XS2) to pair with my Harbeth p3esr. I am using straightwire speaker cables which I've had for years. I noticed when I plugged everything in that the speakers have the ever so slightest hiss coming from them. I cannot hear it unless I get extremely close to to tweeter and te sound becomes non-existent once music starts playing. I have had the amp for about a week now and have kept it on 24/7. Does anyone know where the small hiss could be coming from? I tried different speaker cables/power cord and that didn't change anything. I also tried unplugging all my sources and left just the amp and speakers plugged in ad still had the faint hiss. Like I said, it's not audible unless I really get my ear close to the tweeter (about 3 inches). I might be nit picking but was wondering if anyone has had experience like this before? Should I try a different outlet? I am in an apartment so only have one or two places to put everything. Any help would be greatly appreciated. Thanks!
mgrec42
selman's avatar
selman
13 posts
 
I looked at the manual of this naim amp:
"3.4 Radio Interference
In some circumstances, depending on where you live
and the earthing arrangements in your home, you may
experience radio frequency interference. Controls on
broadcasting in some territories allow very high levels of
radio frequency radiation and both the choice and exact
siting of equipment may be critical. Susceptibility to radio
frequency interference is related to the wide internal
bandwidth necessary for high sound quality. A radio
frequency filter kit is available for some Naim equipment but
sound quality will be progressively compromised as more
elements of the kit are fitted."
Maybe this can also help?
selman's avatar
selman
13 posts
 
There is also a good article about noises:
https://www.gcaudio.com/tips-tricks/system-noise/
mr_m
1,900 posts
 
Isn't this more common with tube amps???
pbnaudio's avatar
pbnaudio
1,613 posts
 
The slight hiss you hear is normal its the noise generated by current flow through semi conductors and resistors in your amplifier.   

Good Listening

Peter
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