Speakers make a deep rumbling noise

[lilrayray69]

I have these Logitech 2.1 speakers and for a long time they have made this sort of deep rumbling noise. It's like a very low bass, not very loud - you probably wouldn't notice it right off the bat, may just think its the computer humming. The only way I've found to fix it is to mess with the volume slider (it's one of those circular gear things you spin up or down) until you find just the right position where it stops. However in doing so you find numerous positions where it's much worse and gets much louder.

It does this if it's plugged into either my onboard or dedicated sound card, and does it while it's not plugged into anything at all. Is there any way to fix this, or might it just be a short and basically I need new speakers?

 

[JAG87]

Sounds like a dirty pot.

http://en.wikipedia.org/wiki/Potentiometer

See if there is anyway to by pass that volume slider you speak of.

 

[lilrayray69]

Not sure how to go about bypassing it. I've got it opened up and can see the chip and the potentiometer but not sure how to bypass it. It's a Logitech X-240. There's not really any dust in there or anything either

 

[lilrayray69]

lol well I think I broke it. I just sort of pulled the whole potentiometer off, the speakers actually do still work but the noise is still there.

Ah well, these speakers were like $20-30 ~6 years ago...

Anyone recommend me a decent 2.1 setup?

 

[SyndromeOCZ]

Could also be dirty power. One of the main things that create dirty power are fridges.

 

[Soccerman06]

Could also be dirty power. One of the main things that create dirty power are fridges.

Go away

 

[SyndromeOCZ]

Go away

Hey man, I'm not being a audiophile about it. I'm saying I can literally hear when my fridge cycles. Though its in the same room(same circuit) as my subwoofer. If you can't handle the truth then maybe you need to go away...

 

[Zorander]

Could be bad grounding too though it does not matter now that it's broken.

 

[Soccerman06]

Hey man, I'm not being a audiophile about it. I'm saying I can literally hear when my fridge cycles. Though its in the same room(same circuit) as my subwoofer. If you can't handle the truth then maybe you need to go away...

Do we really need to start this bs argument again? Might as well buy those $10000 power cables and claim they change audio quality. The fridge only consumes power, there is no way it can "dirty" the electricity going to your amp. At most the only thing it will do is lower the total power draw you can get from your circuit.

 

[sdifox]

Do we really need to start this bs argument again? Might as well buy those $10000 power cables and claim they change audio quality. The fridge only consumes power, there is no way it can "dirty" the electricity going to your amp. At most the only thing it will do is lower the total power draw you can get from your circuit.

Actually, fridges can dirty up the power :biggrin: If your wirng is not done right, your sound can suffer.

But that is not op's problem.

 

[whoiswes]

Actually, fridges can dirty up the power :biggrin: If your wirng is not done right, your sound can suffer.

But that is not op's problem.

Agreed 100%. You've never had noise on an audio device when another electrical device is on the same circuit?

Try plugging a drill into the same circuit as your receiver sometime....you can make your own music.

 

[kalrith]

Sounds like a dirty pot.

http://en.wikipedia.org/wiki/Potentiometer

See if there is anyway to by pass that volume slider you speak of.

This. I had the same problem on my Klipsch Promedia. I got some electronics cleaner and cleaned the volume pots, which fixed the problem.

 

[SyndromeOCZ]

Do we really need to start this bs argument again? Might as well buy those $10000 power cables and claim they change audio quality. The fridge only consumes power, there is no way it can "dirty" the electricity going to your amp. At most the only thing it will do is lower the total power draw you can get from your circuit.

I really do think you need to go away. All of my cables are the absolute cheapest I can get on monoprice/ebay/anywhere. Or are you trying to say that is my problem?

 

[Number1]

lol well I think I broke it. I just sort of pulled the whole potentiometer off, the speakers actually do still work but the noise is still there.

Ah well, these speakers were like $20-30 ~6 years ago...

Anyone recommend me a decent 2.1 setup?

Pulled it off? how?
Do you mean the knob?

Like kalrith said, a bit of contact cleaner would likely cure this issue.

As for others debating the dirty power issue, Syndrome is right , sometime home appliances can cause electrical interferences.

Radio and TV Interference

However I don`t think this is the OP`s problem here.