Jump to content

Klipsch R-115SW subwoofer humming


Tobias

Recommended Posts

You mentioned you had a hum before with the RCA unhooked correct ?

 

If so was the sub plugged into a different power outlet ?

Both subs on the same power outlet, I just tried with a longer cable in another outlet, and the same hum noise.

Link to comment
Share on other sites

Posted 22 April 2016 - 02:35 PM babadono, on 22 Apr 2016 - 2:27 PM, said: got any dummys? I don't know what is that.

It is an RCA plug with the center contact shorted to the shield(or through a low resistance). If you plug this into the input and the sub still hums the sub is bad.

Link to comment
Share on other sites

Something is either wrong with the electrical system in your home (ground) or something hooked up in the electrical system is causing the hum.

 

There should be no noise with the sub RCA unplugged.

 

I doubt you could run both subs and your audio system through one outlet but you could try it, you may throw the breaker if you draw too much current.

 

Sounds like you may still have an easy to fix ground loop issue through the stereo system though.

 

If you like you can leave your subwoofers hooked up like they are and go through the entire house and unplug things one by one and see when the noise subsides.

 

Whatever you would like to do next is fine.

Edited by jason str
Link to comment
Share on other sites

Any updates ?

Hi!

 

I put some music and wait til the hum come, then, I disconnect EVERYTHING except the sub = NOISE.

Then disconnect the RCA = no noise... maybe the Y splitter? I think no, because I made some test with a different cable, a Monster 1000, without the splitter and the noise was there.

 

Thanks jason!

Link to comment
Share on other sites

I have never had the need for one.

 

If buying from Amazon pick one that is popular with a good owner satisfaction would be my recommendation.

 

Let us know how you like your new subwoofers after everything is completed.

 

I connected 1 sub without the Y splitter, same noise.

 

A friend is travelling to USA, is there a subwoofer cable that solve this problem? 

Edited by Tobias
Link to comment
Share on other sites

Just want to be sure here.

 

Did you unplug the subwoofer input RCA and still had noise ?

Yes, no rca cable = no noise.

RCA cable = noise

RCA cable + avr power on = more noise

Yesterday I watch some movie, in some scenes, the noise was heard.

I'm reading some subwoofer cable's reviews in Amazon, they talk about the "shielded" and "gauge"... maybe I also try replacing the cables.

  • Like 1
Link to comment
Share on other sites

  • 2 weeks later...

Join the conversation

You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.

Guest
Reply to this topic...

×   Pasted as rich text.   Paste as plain text instead

  Only 75 emoji are allowed.

×   Your link has been automatically embedded.   Display as a link instead

×   Your previous content has been restored.   Clear editor

×   You cannot paste images directly. Upload or insert images from URL.

×
×
  • Create New...