Swatcsi
100+ Head-Fier
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- Jan 13, 2011
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I think might pick up a pair of these 8400's, if they really are better than the SRH840's it might be worth a try!
So far I'm not impressed with these. They are a lot more comfortable than my crappy HD201s but the sound just seems dull and the bass is lacking. Hoping burn in will help them a lot. They work a lot better unamped than the 201s but I still think they sound much better amped and disagree with megamagic but I'm also running a different amp which has a built in DAC so I don't know if it is a reasonable comparison.
I think might pick up a pair of these 8400's, if they really are better than the SRH840's it might be worth a try!
The SRH-840 was an old favorite that I was forced to sell due to comfort issues. When I got the 8400's I actually bought the SRH-840 just to compare them again.
The 8400 ended up being better, but some may still prefer the SRH-840. The SRH-840 has more bass, less treble and most likely more forward mids from what I remember. I have no doubt the 8400 has better sub-bass though. The SRH-840 is also warmer and has more mid-bass.
I imagine the SRH-840 might have the more "fun" sound signature for SOME. Depends on what you want.
With a slightly warm amp and a good DAC, these are really impressive. Can't really decide if I prefer these or the Q701 for ambient music.
People who are VERY sensitive to treble should not bother with these though. They're kind of annoying with a lot of my garbage tracks. Even stuff that sounds fine on other headphones could sound bad on these. Not the heaphones fault, but some might not like this.
I remember checking some of these tracks on the 6400 and hoping they were a little more forgiving, but that definitely wasn't the case.
It's so weird switching between these and the HD-598. HD-598 just feels as if it's taking all that garbage and making it slightly more listenable.
My two months old 8400s have developed a driver imbalance: the left driver produces more bass than the right driver.
I do not know if this imbalance was there from the start or that I started noticing it just recently. I performed some
measurements and these revealed that the drivers are nicely matched from 200 Hz and up (everything within +/- 1 dB),
but for lower frequencies the left driver is significantly louder: at 80 Hz by approximately 3 dB.
Now my questions are the following: does this driver difference fall within quality control limits and should I learn to
live with this difference? Or should I use the warranty to get my 8400's repaired or replaced?
Any advice is much appreciated!
Just ordered my pair yesterday, ill be sure to update this thread with my review.
Also, I dont understand how so many people say the bass is lacking on these phones? The frequency charts would say otherwise?
Also, why do they cap these charts at 10K? Why not go up to 20Khz?
http://graphs.headphone.com/graphCompare.php?graphType=0&graphID[]=2961&graphID[]=863
Just ordered my pair yesterday, ill be sure to update this thread with my review.
Also, I dont understand how so many people say the bass is lacking on these phones? The frequency charts would say otherwise?
Also, why do they cap these charts at 10K? Why not go up to 20Khz?
http://graphs.headphone.com/graphCompare.php?graphType=0&graphID[]=2961&graphID[]=863
I was skeptical of variations in quality of KNS 8400 but now that graph makes me wonder. So maybe the frequency response can vary on each 8400?
Either that or like tdowckweiler said, the graph just might not be accurate, as in matching whats being actually heard.
Here's another graph of the 8400:
http://www.innerfidelity.com/images/KRKKNS8400.pdf
To my ears the 6400 has more mid-bass and the 8400 has more sub-bass.
is this what flat sounding natural response sounds like?? Ive been using a few headphones and IEM's nothing to spectacular tho and maybe the bass was colored along with other frequencies.