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Forums › Gadgets, robotics, home automation, electronics (including wearables) › DSE surge protectors and audio equipment noise
casewindow

301 posts

Ultimate Geek


#140637 16-Feb-2014 08:26
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I have found that those DSE surge protector power boards seem to introduce a static/hissing noise into some audio equipment (the headphone/speaker out port of a laptop and some guitar amp equipment)

Does this sound normal?




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Stu

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  #988108 16-Feb-2014 09:13
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Sounds like a ground loop hum. Try somewhere like Jaycar for a Ground Loop Isolator.

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casewindow

301 posts

Ultimate Geek


  #988181 16-Feb-2014 12:47
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Thanks for the info. I have found that the problem is worst when I have my old Dell Inspiron laptop plugged into the power (I have tried three different power sockets). In fact it pretty much goes away when I have it running off battery. So possibly the isolator may be the way to go. Cheers!




Q6600 @ 3.2Ghz (400x8) | GA-X38-DQ6 | 4Gb Corsair Dominator@800Mhz 4-4-4-12 | HIS HD5870 | Creative X-fi Fatality Pro | 2xWD SATAII Caviar Black 640Gb / 1xSeagate SATAII 7200.12 1000Gb | 2xASUS IDE DVDRW | Silverstone OP1000 PSU | Silverstone TJ09 Case

casewindow

301 posts

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  #988280 16-Feb-2014 15:35
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Thank you so much for this, this thing solved my problem completely

I got this one from Jaycar
http://www.jaycar.co.nz/productView.asp?ID=AA3086&w=isolator&form=KEYWORD

Response AA-3086 ground loop isolator (3.5mm jack). For cars, but it says it is usable with laptops.

Cheers.




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  #988296 16-Feb-2014 15:50
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No problem. I use that in the car with a phone or laptop and also on amps at home. Also there's an RCA->RCA version I've use for a setup or two on the odd occasion.

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  #988321 16-Feb-2014 16:39
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There are a few different shapes, but they all do the same and targeted at car audio as that is where the most issues are. We use them in stage sound systems where we also connect to PCs and other consumer stuff that are designed on a tight budget.




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