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Can the O2 amp fully drive the Beyerdynamic T1? - Page 3

post #31 of 32
Quote:
Originally Posted by stv014 View Post
 

 

It is possible to objectively test even with music. This is done by sampling the output of the device that is being tested, and then subtracting the original signal that has been filtered to match the frequency response (including phase response and delay) of the recorded audio as accurately as possible. The result contains all distortion, noise, jitter, and whatever other artifacts that have been added.

 

Here is an example of this. Difference extraction can be used to disprove claims that an amplifier performs great with sine waves, but fails badly with music.

 

I shouldn't be surprised if it can be tested objectively with music. Has it been?

 

It can also be "tested" subjectively by listening.

 

What if it works fine in an objective test, but sounds mediocre?

 

(I was already aware of what you did in that thread . . . )

post #32 of 32
Quote:
Originally Posted by PTom View Post
 

.. 110-115 dB at all frequencies, that's still extremely loud. Should we even be listening at volumes higher than this?


Is that a serious question ?

 

(Good we are doing this in writing ..If you listen at 110-115dB it can't be much you can hear any more.)


Edited by bufferoverflow - 2/26/14 at 3:01pm
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