mobile dj tips remove laptop noise

how to remove annoying ground loop noise from laptop plugged into pa system

Category:

Howto & Style

Tags:

• Music
• Technology
• ground
• loop
• laptop
• noise

[xtremekaraoke1]

where can I purchase one of these, I have a laptop that plays clear through my "Power Amp/Mixer" when running off battery only, but has loud buzzing sound when plugged in? I think this is exactly what I need, although it plays clear with the two other laptops that I ran through the same system? Do you think that I need a new power cord or one of these? please advise, thanks! Steve

[garryentropy]

if your in the usa try radio shack or any car hifi shop,cost about 10 bucks

[MobileDjWizard]

We had trouble with hum from not only our laptops but from the mini HP mounted in our small system. We use a sreteo D.I. box on our big system tp eliminate hum, but our small system is not affected as much from the mini desktop PC permantly mounted in the systems case.I would mention the big system uses a Mackie 1402vlz mixer and the small system uses a Mackie 808s mixer amp.

[garryentropy]

i find as soon as you get any sort of transformer in the circuit then you get hum problems,because if you run from batteries its usually ok,but batteries are too risky for a live set up )II(

[motojeff]

OH MY GOD!!!! Thank you so very much!!!! I got an HP Laptop and had that horrible sound coming from it. I always used a PC and just got a laptop and sent it in for repair 3x under warranty. Now I know what to do.... Thank you thank you thank you. Ill try it tomorrow!

[garryentropy]

@motojeff just watched your video jeff glad it worked for you

best garry

[santanadimmy]

Thanks a lot,i just thught my pa system had a fault....brilhant....

[guitarsalert]

thanx alot



[JackinTheWoods]

The ground loop isolator did not work for me, we had to remove the ground on the power supply by using a 3-prong to 2-prong adapter.

[TheJollyTog]

Great tips Garry! :D

[Ninjanium]

I fixed my ground loop noise problem on my laptop by buying an after-market power supply. Specifically the Coolermaster SNA 95. The stock power supply for my Vaio had a lot of noise (I check using an oscilloscope).

[jamesandgrainne]

combine harvester ,,,lol

[weddingpartydj]

The other thing to try is remove your earth wire from your plug its an old dj trick that works well.

[DJDoubleDProductions]

You can also buy them off ebay, I got one for $5 with free shipping.

[thijsloon]

@xtremekaraoke1

yes, it does. Another idea is to break the earth loop by using a unearthed socket for your laptop. Or do so on your mixer.

Of cours this is less save, but it is as unsave as using your laptop without an charger.

Also, that ground loop isolator is reducing your sound quality and isn't balanced either.

correct me if i 'm wrong