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tried to find burn in... some result

post #1 of 11
2/10/10 at 10:48am
Thread Starter 
wanted to measure burn in with equal loudness and here is outcome (used ibasso t3 amp, hifiman re252, hifiman re0 iems)


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post #2 of 11
2/10/10 at 12:04pm
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post #3 of 11
2/10/10 at 2:11pm
What was your testing setup, procedure etc. ? How many measurements did you take of each at a given time?
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post #4 of 11
2/10/10 at 2:17pm
Could it really be...actual evidence to support burn-in...thanks for this. The naysayers are going to grill you for this so be prepared...
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post #5 of 11
2/10/10 at 2:32pm
Quote:
Originally Posted by Rip N' Burn View Post
Could it really be...actual evidence to support burn-in...thanks for this. The naysayers are going to grill you for this so be prepared...
Well, no. They're not scientific measurements (read: flawed).
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post #6 of 11
2/10/10 at 2:51pm
Thread Starter 
Quote:
Originally Posted by tintin47 View Post
What was your testing setup, procedure etc. ? How many measurements did you take of each at a given time?
i didn't post this into sound science forum, i din't try to be very accurate and all. it was mostly for my own interest, but the outcome is clear for me
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post #7 of 11
2/10/10 at 4:11pm
Quote:
Originally Posted by DanielCox View Post
Well, no. They're not scientific measurements (read: flawed).
A graph comparing db loss/gain with respect to various frequencies is not considered scientific? I must have been going to the wrong schools. Unless you are debating how he made those measurements, please enlighten me...
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post #8 of 11
2/10/10 at 4:40pm
Quote:
Originally Posted by Rip N' Burn View Post
A graph comparing db loss/gain with respect to various frequencies is not considered scientific? I must have been going to the wrong schools. Unless you are debating how he made those measurements, please enlighten me...
Because the measurements were made by ear?
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post #9 of 11
2/10/10 at 5:29pm
Quote:
Originally Posted by Fitz View Post
Because the measurements were made by ear?
bingo

Unless I am mistaken that particular graph is made by audibly placing marks to where the frequency response sounds flat, or equal volume, across the board.

If they were taken by a machine (which doesn't undergo radical changes in perception based on many factors) it would prove useful.
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post #10 of 11
2/10/10 at 6:00pm
Quote:
Originally Posted by Punnisher View Post
Unless I am mistaken that particular graph is made by audibly placing marks to where the frequency response sounds flat, or equal volume, across the board.
If that is the case, then yes, not very scientific at all.
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post #11 of 11
2/10/10 at 7:00pm
Thread Starter 
Quote:
Originally Posted by Punnisher View Post
machine (which doesn't undergo radical changes in perception based on many factors) it would prove useful.
well i've actually done more tests than those provided and changes are not radical when equipment has many hours. of course to be scientific one should do at least couple hundreds of tests, but in my case, virgin patterns could not be replicated later in the day...
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