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I just got one of those sub $200 Thor poweboards, 8 sockets.

 

In a quiet room you can hear it. That electronic squeal, like a very high frequency constant noise.

 

Is this normal for these things? Does it eventually go away?

 

Should I just aim for something better, Isotek one or something else?

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If you remove everything plugged to it, is there still any noises?

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I have a Thor Smartfilter 8 at my feet now at my computer, makes no noise, maybe return for another unit.

 

BTW, many including myself have found that while the Thor boards work OK for most audio components they are not good for amps, they tend to limit dynamics with amps plugged into them.

 

I use some smaller ones daisy chained for my CD player but have my amp plugged into a non filtered board.

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4 hours ago, TDX said:

If you remove everything plugged to it, is there still any noises?

Removing all devices from "Bank 2" makes it quiet.

 

So Bank 2 capacitor whine?

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I have two 4 port boards that have done this from new. 18 months later they still do it.

 

I've just moved the noisy boards out to the tv where I can't hear it.

 

 

 

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10 minutes ago, aussievintage said:

Send it back and just get a normal powerboard.  Spend your money on music you like.  You'll be much happier.

Odd suggestion. It's a fairly cheap powerboard. Bought off forums, can't return it. I'll just find another spot for it.

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6 minutes ago, Bengineer said:

Odd suggestion. It's a fairly cheap powerboard. Bought off forums, can't return it. I'll just find another spot for it.

 

Why odd? We should not put up with faulty products. Shoddy manufacturing and poor quality control is riding on the shoulders of complacency of consumers.   

 

If you bought it this way with no warranty or opportunity for return, then you should be happy to bin it, or re-deploy it, when it fails to provide the expected functionality -  as you say you will. 

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They make a very noticeable positive audible difference with my CD Player plugged into them.

 

I would not get rid of them, just return for non faulty one and use it for anything except amps.

 

Edit: Ah! @Bengineer just saw it is a second hand unit.

Edited by muon*
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*new* but bought here so no warranty don't think. Bank 1 is fine. I'll just use it for the two speakers, DAC/amp combo and the PC or something. Just waste of 4 ports.

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2 minutes ago, muon* said:

They make a very noticeable positive audible difference with my CD Player plugged into them.

 

Just remember, that is only your own personal experience, coupled with anecdotal "evidence" from others.  I think I remember you are anti DBT etc (apologies if otherwise), so I will leave it at that.

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3 minutes ago, aussievintage said:

 

Just remember, that is only your own personal experience, coupled with anecdotal "evidence" from others.  I think I remember you are anti DBT etc (apologies if otherwise), so I will leave it at that.

Yes, when confronted in the jungle by an elephant, it is unwise to believe there is an elephant in front of you without scientific verification :lol:

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4 minutes ago, muon* said:

Yes, when confronted in the jungle by an elephant, it is unwise to believe there is an elephant in front of you without scientific verification :lol:

Indeed, some would demand a DBT because sighted opinions are unreliable and prone to bias.?

Edited by rantan
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10 minutes ago, muon* said:

Yes, when confronted in the jungle by an elephant, it is unwise to believe there is an elephant in front of you without scientific verification :lol:

 

yeah, I've been that drunk myself  :)  

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7 minutes ago, rantan said:

Indeed, some would demand a DBT because sighted opinions are unreliable and prone to bias.?

 

 

I am really glad you guys can have a laugh about it.  Truth is, I nearly didn't post that comment - worried about yet another brawl starting.

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I did a double blind. I had 9 beers and closed my eyes (double blind) and I could still here the powerboard.

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Just now, Bengineer said:

I did a double blind. I had 9 beers and closed my eyes (double blind) and I could still here the powerboard.

 

 

I will blame the beers for the pisspelling of "hear"  LOL  :)

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Typing on my phone whilst the 2 year old yells at me, need to proof read better when swype texting.

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Maybe contact Thor Technologies and see if it's a known thing or if they think it's faulty.

 

Or just put your headphones on, or IEM, or crank up the speakers so you won't hear it :D

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On 11/04/2021 at 3:57 PM, Bengineer said:

*new* but bought here so no warranty don't think. Bank 1 is fine. I'll just use it for the two speakers, DAC/amp combo and the PC or something. Just waste of 4 ports.

If not tried already can you plug what is in bank 1, into Bank 2 and see if you still get noise?

Thinking it may be one of your components plugged into Bank2 that is somehow generating the noise.

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On 12/04/2021 at 10:59 PM, Bengineer said:

Will do and report back.

report ?

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Just reading the Thor Technologies website re warranty. Even if its a second-hand unit it would be worthwhile seeing what they say is going on. From a PR point of view you would think they would not be too keen on a SNA discussion on their products worth. Their website   puts them forward as the real deal.

Cheers

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Contact Nick Forster-Jones their National Sales Manager on 1300 766 140. Maybe he will offer  some technical support. I would mention that you have been seeking the advice of 'fellow Stereonet members" on this forum. Be interesting to see what reaction you get.

Cheers

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The noise happens when either the PC or the Monitor is plugged in. Even when these items are OFF.

 

Can happen on either Bank 1 or Bank 2.

 

Some fainter electrical noise is heard when anything is plugged in, but its magnified when either of the above are.

 

I've moved them over to the cheap-o board for now. And the Thor (with 8 sockets) only has two KEF LS50W II and a Questyle DAC/AMP currently plugged into it.

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I have a Monster HDP 850G board you can have if you want it, I imagine like the Thor boards good for stuff other than amplification.

 

I don't know how old it is but I grabbed it used to see if it was kind to having my amp into it, but made things light on bass and thin.

 

I'm in postcode 4068

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Thor offered to replace it. Apparently they work out of a storage shed up the road. Will see if I can just go swap it instead of posting.

 

 

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Thats a great outcome;were they interested in taking your power board to do some testing?

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