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speaker cable static sound

Can anyone help with a technical question:

I am using audience au24 speaker cables ( I believe they are unshielded) and there is a tv nearby. The problem is that even when the tv is not on or even plugged in I sometimes get a mild static sound coming out of one of the speakers. The weird thing is that its only out of the right speaker even though the tv is equidistant to both speakers. The other weird thing is that the static sound does not immediately happen when I turn on the amp but comes after a few minutes and will often just go away and then come back and then go away.

I have tried lifting the cables off the ground and moving around the monster ac outlet strip. No, none of the audio equipment goes into the ac outlet strip nor do they even share the same wall outlet.

I like the speaker cables but maybe I should get a shielded cable? Any recommendations. I currently used purist interconnect dominus between amp and preamp and use the emmlabs dcc2 as preamp and dac with their cd transport. My speakers are Wilson Watt Puppy 7's.

Thanks

Michael
128x128karmapolice
metro04
222 posts
 

Karmapolice,

Sorry that I'm not familiar with all your audio equipment.

Are both amps plugged into the same wall outlet, and/or outlet strip? If so, it's beyond my 40 years of electronics how malfunctioning strip protection circuits could single out any "matching" components plugged into it.

Anyway, you could also try running both amps into the same wall outlet directly, and the remaining components from another outlet (via extension cord) for testing purposes. My feeling is that your problem will return, but please continue with any recommended diagnosis.
karmapolice's avatar
karmapolice OP
256 posts
 
Sadly, the static did return....am awaiting the advice of Lamm and Metro04 I will also try your other idea that I blew but ran out of time today so will try tomorrow.
audphile1's avatar
audphile1
5,188 posts
 
it's going to be either the amp or the speaker.
also contact wilson audio for advise.
I think when you switched speaker cables from Nordost to AU24 you could have shorted something momentarily. Do you remember if your amp was off when you changed the speaker cables?
karmapolice's avatar
karmapolice OP
256 posts
 
Well I found the area of the problem

I switched the left speaker cable to go into the right side amp and right speaker cable into the left amp and the static moved to the LEFT SPEAKER.

So there must be something happening with right mono amp since its the only variable that switched the static to the left speaker.

Its weird though that it only happens on occasions and comes and goes intermittently.

Its only a little static too .......strange........Hopefully Lamm won't need the amp back
metro04
222 posts
 

Karmapolice,

Well done! Pending any simple diagnostic advice from LAMM, at least try swapping the tubes between the amps (individually if applicable). Other than that, there are just too many internal components that could cause this intermittent problem, and hard to diagnos without basic test equipment. You could pop the covers to look for obvious loose or damaged (burnt, etc) components, but would still require repair.

Sorry, but good luck...
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