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Sennheiser HD800 Certificate for Frequency Response Arrived - Page 20

post #286 of 379
4/30/12 at 4:43am

Got mine today. Sorry for the bad quality.

 

1335785882643.jpg

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post #287 of 379
4/30/12 at 4:59am

HD800FR.jpg

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post #288 of 379
4/30/12 at 6:56am

Interesting how the later ones seem to have a bass boost compared to the very flat response of the early ones.....

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post #289 of 379
4/30/12 at 4:48pm

 

Quote:
Originally Posted by John Willett View Post

Interesting how the later ones seem to have a bass boost compared to the very flat response of the early ones.....

 

Here's mine again....S/N 4XXX. About the same bass boost.

 

HD800 FR Graph.jpg

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post #290 of 379
5/4/12 at 10:33am

Just got this today:

 

HD 800 graph.jpg

 

I think I may soon be applying some EQ to reduce the peak at ~10k.


Edited by Windsor - 5/4/12 at 10:35am
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post #291 of 379
5/21/12 at 2:15pm

Just out of interest, does anyone know what the earliest models (S/N's) of the HD 800 with the 'resolved' treble issues (which head-fiers have been posting about) are?


Edited by Windsor - 5/21/12 at 2:18pm
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post #292 of 379
5/21/12 at 6:53pm
Quote:
Originally Posted by Windsor View Post

Just out of interest, does anyone know what the earliest models (S/N's) of the HD 800 with the 'resolved' treble issues (which head-fiers have been posting about) are?

 

Seems about 1000ish. Everything after that seems to be pretty similar.

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post #293 of 379
5/21/12 at 8:49pm

I'm not sure how my graph (#595) fits into the general pattern:

 

Flat.jpg

 

The graphs so far have a strong general tendency toward flatness, without any evidence of peakiness. The idea of Sennheiser providing this info is to show that their Loudness Diffuse Field is substantially flat. I have a feeling that, if a headphone exhibited strong peaks or troughs, they wouldn't pass inspection. 

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post #294 of 379
5/22/12 at 1:59am
Quote:
Originally Posted by poikkeus View Post

I'm not sure how my graph (#595) fits into the general pattern:

 

Flat.jpg

 

The graphs so far have a strong general tendency toward flatness, without any evidence of peakiness. The idea of Sennheiser providing this info is to show that their Loudness Diffuse Field is substantially flat. I have a feeling that, if a headphone exhibited strong peaks or troughs, they wouldn't pass inspection. 

 

That looks pretty flat to me. Enjoy! :-)

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post #295 of 379
6/5/12 at 5:55pm

I got mine today. Serial number 6XX

img1841k.jpg

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post #296 of 379
6/5/12 at 6:06pm

how can I get the frequency certificate for my hd800s?

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post #297 of 379
6/5/12 at 6:14pm
Quote:
Originally Posted by SONIC BOOM View Post

how can I get the frequency certificate for my hd800s?

 

Here's the link for registering on the US site: http://www.sennheiserusa.com/serviceandsupport_register

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post #298 of 379
6/5/12 at 6:19pm

You have to register your HD800 and you have an option for a frequency chart there.

 

edit: it seems someone beat me to it

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post #299 of 379
6/5/12 at 6:34pm

thanks smily_headphones1.gif

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post #300 of 379
6/8/12 at 3:20pm

Mine just landed in the mail today,

 

Sennheiser HD 800 certificate.jpg

 

I'm going to try the Anax mod soon to see if it's more pleasing than using a parametric eq. Though I've honestly never had any major issues with the upper treble emphasis.

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