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New Hifiman Headphone HE-400 is out
Jul 19, 2012 at 6:07 PM Post #2,311 of 6,017
Quote:
mad lust envy said:
The bass wouldn't satisfy me.
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 Oh i see what are you going to be using the he-400 for everything like gaming and music or just music?? Just curious becuase i have both pair.. The 500's have bass like some say it all depends on the material your listening to and the 400 has accentuated bass that just comes across as just plain good and  more than enough of it..
 
Jul 19, 2012 at 6:39 PM Post #2,314 of 6,017
Then it should definitely satisfy me, as I love the DT990/600's bass.

I do want an all rounder, and accentuated bass is a must. Most of my genres are EDM anyways, and other uses are movies and gaming.
 
Jul 19, 2012 at 6:55 PM Post #2,316 of 6,017
Purrin posted pleather vs velour pads measurements (FR and CSD) on the HE400s!
 
It is less evident on the FR graphs, but the CSD plots show the effects clearly, how the velours tame the mids humps and raises the lower treble (cause of "dark" treble) recession, also seems to as well as smoothing out the upper treble. Also bass is nearly unchanged. 
 
Jul 19, 2012 at 7:11 PM Post #2,317 of 6,017
Good stuff.  I was hoping for less decay with the velours as well, but I guess I wasn't thinking the HE-400 would be such a clean headphone in the first place.  Strange how the fr difference is shown better in the csd and not the actual fr measurement.  Both graphs do show it to minimize the little hump around 1khz, which is what I heard first when I put the velours on.
 
Jul 19, 2012 at 7:16 PM Post #2,318 of 6,017
Quote:
jerg said:
Purrin posted pleather vs velour pads measurements (FR and CSD) on the HE400s!
 
It is less evident on the FR graphs, but the CSD plots show the effects clearly, how the velours tame the mids humps and raises the lower treble (cause of "dark" treble) recession, also seems to as well as smoothing out the upper treble. Also bass is nearly unchanged. 
Click to expand...

Wow nice find cool. I also will always trust my ears after seeing what the CSD graph shows and knowing that i heard that diff day one after switching out pleathers for velours. 
 
To add there might be some other velour pads out in the wild other than HiFi Man's that give probably a better response plus a benifit of a more plush comfortable fit to the HE-400..
 
Jul 19, 2012 at 7:56 PM Post #2,321 of 6,017
The DT990's treble is like a ghost pepper. I would assume the HE400 is like the warm milk you take to comfort your burning tongue.
 
Jul 19, 2012 at 8:14 PM Post #2,322 of 6,017
For certain songs, HE-400's treble does remind of of DT990's, but not in a bad way.  Even though DT990 had an excessive treble spike, I never thought it was a bad quality treble.  For the most part, the HE-400s will never venture anywhere close to DT990 standards.
 
Also it seems the csd plots for the first measurement and second measurement of the pleather pads Purrin took are a good bit different, but the major theme I guess is the smoother transition from 1khz to 2khz.
 
Jul 19, 2012 at 8:22 PM Post #2,323 of 6,017
Quote:
tmraven said:
Good stuff.  I was hoping for less decay with the velours as well, but I guess I wasn't thinking the HE-400 would be such a clean headphone in the first place.  Strange how the fr difference is shown better in the csd and not the actual fr measurement.  Both graphs do show it to minimize the little hump around 1khz, which is what I heard first when I put the velours on.
Click to expand...

That's because FR measurements are just pure tone sweeps, but sharp dips in FR are almost always smoothed over when a non-pure tone around that frequency is played, so unless you listen to music with tons of clean pure frequency tones, those are non-issues. In the case of the sharp dips in the lower treble of HE400s, if you compare FR against CSD (which actually traces the FR curve perfectly at time = 0), you can see all of the dips are smoothed and filled out about 0.05 milliseconds after the impulse.
 
False dips that appear in the FR but not in the CSDs are essentially measurement artifacts, because of the nature of how the two measurement methods differ.
 
Jul 19, 2012 at 8:25 PM Post #2,324 of 6,017
That's the one weakness the DT990s have for me. That treble is quite punishing at times.
 
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