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IE8 burn-in: Mass Hysteria?

post #1 of 54
8/8/09 at 8:34pm
Thread Starter 
I sent an email to Headroom to ask if they have ever retested the IE8's frequency response after the initial test. I received the following reply:



Hello,

We have -- and we have not noted any changes in specs graph or overall audio performance of the IE8 after 200-250hrs of 'burn-in' period!


On Sat, Aug 8, 2009 at 7:50 AM, scrane <scrane@ctcweb.net> wrote:

Hi,
There has been a lot of discussion about "burn in" for the Sennheiser ie8 to reduce the hump in the bass. Have you guys re tested the ie8's frequency response to see if this phenomenon exists?
Thanks,
Sandy Crane
Boise, ID.




--


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Jorge Cervera
Sales/Product Manager
HeadRoom Corporation
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post #2 of 54
8/8/09 at 9:20pm
Got your flac vest handy, Sandy?

Could be needed!
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post #3 of 54
8/8/09 at 11:18pm
That's quite interesting, a dynamic with no burn in effects?
Sounds impossible to me..
Either way, burn in be real or not, if it sounds better, then it sounds better, be it mental or not.
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post #4 of 54
8/9/09 at 12:40am
Lets start a flame war, ready guys?
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post #5 of 54
8/9/09 at 1:11am
Quote:
Originally Posted by gameboy115 View Post
Lets start a flame war, ready guys?
BRACE YOURSELF!

Ready!
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post #6 of 54
8/9/09 at 1:23am
hahaha well now our ears tell us that they certainly need new testing equipment. I guess it's a good thing my IE8 sounded good out of the box and I thought it rather criianal to punish them with that pinky music haha
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post #7 of 54
8/9/09 at 5:16am
I have them 3 IEMs with dynamic drivers and didn't feel like anything changed after hundreds hours of so-called massive burn in...I think it's all in your head or expectation that it would get better or your ears just get used to it. That's my observation.
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post #8 of 54
8/9/09 at 5:53am
My new electric kettle now has around 100 hours of boil-in, and I really notice that both tea and coffee are so much nicer now. Kind of more rounded, with an improved depth of flavour. I can't wait to see how good it's going to get with more boil-in.

No really

It's true.
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post #9 of 54
8/9/09 at 6:12am
There was an interesting discussion of burn-in just a few weeks ago. I can still remember most of the pros and cons.
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post #10 of 54
8/9/09 at 6:56am

The IE8 burn in phenomenon...

Question: "I have found that IE8 has a mid bass bump even at minimal bass setting. What do you think?"
Answer: "Shut up and come again after x hours!"
(where 10 <= x <= infinite)

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post #11 of 54
8/9/09 at 7:10am
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post #12 of 54
8/9/09 at 7:31am
Quote:
Originally Posted by -X-[ FuZe ]-X- View Post
That bass hump is huge. It doesn't even follow Sennheiser's sound signature, well in the bass region.
How do you know if you've never owned them or tried them?

Doing the same as always, aren't you? Talking about gear you've never owned or tried and talk about it as if you had.
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post #13 of 54
8/9/09 at 7:34am
In the theory the speaker driver of the earphone is mechanical movement. the initial driver is somewhat stiff to be drived. And the electionical components need to run on the electricity loading to make it stable. So burn in is necessary i think.

In practice, with the hi end player, the burn in can have a very obvios improvement in term of sound quality. Here is the report on the burn in effect on AMP3, but I think it also suitable with IE8.

http://www.head-fi.org/forums/f15/am...8/index37.html
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post #14 of 54
8/9/09 at 7:47am
well i tried them at the start without "burn in" and there was bloated bass and the highs didnt have the sparkle they have now but after about 72 hours of burn in the bass has tightened for sure and the treble has continued to improve as well. cant really be psychological as i didn't really listen to them that much, just the songs that i chose to, for this purpose.
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post #15 of 54
8/9/09 at 8:11am
Burn-in for me is a real phenomenon and in the headphones I had or are now using (IE8), I have noticed a gradual and marked difference in the sound of headphones from the start of use to now 200 hours of burn-in for the IE8.

Frequency charts at the end of the day only tell you what a headphone is supposed to perform and sound like, they don't unless you own them, tell you how they actually sound and even that is subjective to the individual.

That's why I don't have any faith in charts when it comes to headphones.
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