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Etymotic HF5 hissing in 4500-5500hz?

post #1 of 6
Thread Starter 

I have recently purchased a pair of Etymotic HF5, and played sine tone on them and realised that there is this hissing sound in the background when around 4500-5500hz.

 

It would be great if someone that actually owns a HF5 could test their if the same issue occur, I just want to know if this is normal as I can replace them if it is not.

 

Thanks!

post #2 of 6

I have the HF3s which I think are the same but with a mic, and they do not hiss. I would have them replaced. Also, you may want to try a different source to make sure that isn't the culprit.

post #3 of 6

try listening to a frequency swipe. if the sound suddenly becomes loder while in that range, than it's not the earphones but the resonanse with the ear canal. everyone has that going on so just turn down some decibels in that area and the "hiss" should go...

post #4 of 6
Thread Starter 
Quote:
Originally Posted by robm321 View Post

I have the HF3s which I think are the same but with a mic, and they do not hiss. I would have them replaced. Also, you may want to try a different source to make sure that isn't the culprit.

I had tried several sources, from iphone apps to sine gen on computer, all of them makes the same hissing sound at around 4500-5500hz, now that it is confirmed that the hissing sound is not normal, I would probably get them replaced when I have time. Thanks a lotbeerchug.gif

 

     Quote:

Originally Posted by nihontoman View Post

try listening to a frequency swipe. if the sound suddenly becomes loder while in that range, than it's not the earphones but the resonanse with the ear canal. everyone has that going on so just turn down some decibels in that area and the "hiss" should go...

I had tried a frequency swipe(sine gen), its not that it is louder in that range, there is an obvious hissing sound in the background in that range but not in the other freqeuncy.

post #5 of 6

Mine don't hiss. 

post #6 of 6
Quote:
Originally Posted by dustdevil View Post

I had tried several sources, from iphone apps to sine gen on computer, all of them makes the same hissing sound at around 4500-5500hz, now that it is confirmed that the hissing sound is not normal, I would probably get them replaced when I have time. Thanks a lotbeerchug.gif

 

No problem beerchug.gif

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