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Author Topic: Sennheiser HD800 (Anax modded) CSD Waterfall Plots and Frequency Response Graph  (Read 18324 times)

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Marvey

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Sennheiser HD800 (Anax modded) CSD Waterfall Plots. A technical tour-de-force. Don't bother unless you have tubes to take the edge off. Highly rewarding, if you can set it up right. Amazingly still clean even after going down to a -50db sound floor! Evidence of its hyper-detail. If only Sennheiser could have toned down the treble 3db.
« Last Edit: June 21, 2012, 07:19:06 AM by purrin »
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LFF

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Re: Sennheiser HD800 (Anax modded) CSD Waterfall Plots
« Reply #1 on: December 06, 2011, 06:38:39 AM »

If only Sennheiser could have toned down the treble 3db.

Agree completely! I think a good 3 - 5 db would have been ideal depending on the roll-off.  However, that's going off your excellent modded pairs which are a higher cut above the stock version IMHO.
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Marvey

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Re: Sennheiser HD800 (Anax modded) CSD Waterfall Plots
« Reply #2 on: December 06, 2011, 06:39:52 AM »

Just so folks get an idea what happens at -50db for a typical TOTL headphone. Compare to Beyer T1:


Yikes!
« Last Edit: June 21, 2012, 07:16:27 AM by purrin »
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CEE TEE

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Re: Sennheiser HD800 (Anax modded) CSD Waterfall Plots
« Reply #3 on: December 06, 2011, 07:32:02 AM »

If that is after mods, I'll probably be modding fairly quickly...that looks nice. 


Like I can have my cake and eat it too.   ;D
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Marvey

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Re: Sennheiser HD800 (Anax modded) CSD Waterfall Plots
« Reply #4 on: December 06, 2011, 07:33:46 AM »

Mods' just simply shape the FR. The HD800 is naturally excellent. You may want to try without mods first.
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CEE TEE

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Re: Sennheiser HD800 (Anax modded) CSD Waterfall Plots
« Reply #5 on: December 06, 2011, 07:34:57 AM »

Will do.  THANKS for the graphs...
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anetode

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Re: Sennheiser HD800 (Anax modded) CSD Waterfall Plots
« Reply #6 on: December 07, 2011, 10:21:23 PM »

Most times I don't mind the sharpness, but I have a 6-10khz eq dip setting for the problem tracks. Sibilance @ 7-8 can be annoying.
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CEE TEE

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Yep, some tracks are just...fine.


Others are Musicaanitsqasi (Music Out of Balance  :P ).


Would like to do the Anaxilus foam mod.


Tip the balance a bit...and add tubes. 


But the platform has the extension and the "connectedness" to get me what's there.


I just hope I don't have to also go with a warmer source too... :-X   
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rhythmdevils

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I say go warm source -> warm amp -> warm tubes -> warm foam!  Blitzkrieg that mother.
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Marvey

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Whitney: I dare say you may actually like the HD800 that way. I'm thinking about building a warmer sounding DAC for the BA meet. Would be interesting if you could stand it...

I did get bassier (explosive), cleaner, and treble silkier sounding output tubes for the BA... some ancient Osram PX25s.
« Last Edit: December 21, 2011, 08:46:21 AM by purrin »
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