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Speakers making high pitch sound

Last response: in Home Audio
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September 4, 2012 3:21:15 PM

Hello,
I have just purchased a Sandstrom SRUN11 speaker system and when I turn it on a very high pitched sound is produced. This occurs on the radio function, ipod function and all other functions. Help! what can I do?
December 8, 2013 3:06:35 AM

MartynMatt said:
Hello,
I have just purchased a Sandstrom SRUN11 speaker system and when I turn it on a very high pitched sound is produced. This occurs on the radio function, ipod function and all other functions. Help! what can I do?


Hi, I have the same thing. I recently bought the same unit. Did you find the cause or solution to this?
December 8, 2013 7:52:44 AM

Hi
Just some questions.
Does the sound get louder if the volume is turned up and is it still there with the volume off.
Is the power supply grounded.
Do you still get the noise if it is plugged into a different outlet.
Related resources
December 8, 2013 1:31:19 PM

makkem said:
Hi
Just some questions.
Does the sound get louder if the volume is turned up and is it still there with the volume off.
Is the power supply grounded.
Do you still get the noise if it is plugged into a different outlet.


The high pitch isn't there at the start, then it appears after a few minutes, it doesn't seem to get louder with increased volume, it does stop if muted. By outlet do you mean plug socket? If so, no, it is always there.

Cheers

Phil
December 8, 2013 2:13:57 PM

This sounds like radio frequency interference being introduced to the Sandstrom by the mains power wiring .
You could try it in different wall sockets to see if it makes any difference but it does not help that this unit is not properly shielded or earthed(grounded).
You could try one of these http://
December 10, 2013 1:46:20 PM

makkem said:
This sounds like radio frequency interference being introduced to the Sandstrom by the mains power wiring .
You could try it in different wall sockets to see if it makes any difference but it does not help that this unit is not properly shielded or earthed(grounded).
You could try one of these http://


December 10, 2013 1:47:30 PM

Thanks. Would this account for the noise on the iPod function as well as the radio setting?
December 10, 2013 2:48:51 PM

Yes because it is mains power borne you will get noise on all functions.
December 11, 2013 12:21:51 PM

makkem said:
Yes because it is mains power borne you will get noise on all functions.


Thanks, you've been really helpful! I'm looking to get one of the items that you sent a link to. Once again, thank you so much for sharing your knowledge.

Cheers

Phil
!