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AKG K812 Pro - Page 123

post #1831 of 3103

It's interesting how many people think there is more bass on the K812 than the HD800 when you compare the frequency response graphs they are about the same. Could it be the high distortion that makes it sound "fuller" or sealing issues?

 

Also, what is the output impedance of the Emotiva DC-1 because the K812 impedance is only 36 ohms.


Edited by Dreyka - 3/8/14 at 4:47pm
post #1832 of 3103
k812 did sound like it had more bass quantity but the hd800's bass was cleaner, more textured.

@ sonido - k812 didn't sound dark to me but the hd800 had more of a treble tilt if you know what i mean.
post #1833 of 3103
Quote:
Originally Posted by Sonido View Post


Woot just checked tracking and said delivered! Surprising since the status never went to out for delivery, and only arrived at post office at 11am this morning.

Congrats, Sonido! Hope you enjoy your new can!
post #1834 of 3103
Quote:
Originally Posted by up late View Post

k812 did sound like it had more bass quantity but the hd800's bass was cleaner, more textured.

@ sonido - k812 didn't sound dark to me but the hd800 had more of a treble tilt if you know what i mean.

I think you have it spot on in respect of the treble extension on the HD800
post #1835 of 3103
Quote:
Originally Posted by Dreyka View Post

It's interesting how many people think there is more bass on the K812 than the HD800 when you compare the frequency response graphs they are about the same. Could it be the high distortion that makes it sound "fuller" or sealing issues?

Also, what is the output impedance of the Emotiva DC-1 because the K812 impedance is only 36 ohms.
It's really the slower bass decay of the K812 that gives it a sense of more bass, or darkness in my opinion. This also adds to body and tactility of instrumentation, to give a sense of realism. I know this because I've messed with my HD800 amp chain to add the sound of my amps to the HD800, and achieved similar results. The HD800 is very transparent and will play the sound of your chain. Some choose to keep it clean and free of amp sound signature, others choose to find the right added sound that is most pleasing to them. The K812 inherent sound signature leans towards bass tactility and viscerality, where the HD800 is more treble leaning and airy. I've learned you can't have airiness and tactility at the same time because one will drown out the other, or you'll have neither. Just my 2 cents.

I don't know the output impedance on the DC-1, but I assume it's low because it's two 3.5mm jacks, so I figure designed for even IEMs.
Edited by Sonido - 3/8/14 at 6:53pm
post #1836 of 3103
Agreed, Sonido, in respect of the inherent sound sigs of the two cans. It's like how in the Fitear iem realm, how people are torn between the TG334 and the MH334: the TG has longer bass decay while the MH has a tighter bass. Which one prefers is really down to what you enjoy more. smily_headphones1.gif
post #1837 of 3103
I have to admit the lower treble is improving. Driver/brain burn in helps. Like I said, at one point I got used to the T90. Our brains adapt very well and had quite a degree of plasticity. Those of you who don't hear the treble problems try listening to another pair of headphones for a week and then come back to the K812. One more thing, the K812 definitely picks out more details than HD800 to me. We'll see if this holds true once the Questyle arrives. It's my first detail oriented amp for the HD800.

Also realized the DC-1 headphone amp sucks. Was listening to K812 and it started getting fatiguing. Switched to HD800 and it was still fatiguing. Changed camp to Vali, and it's much smoother with both headphones.
Edited by Sonido - 3/8/14 at 8:17pm
post #1838 of 3103
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post #1839 of 3103

From what Muppetface and Sonido describe it would appear that there are obvious discrepancies between K812 samples.

 

Just like the HD 800 that still suffers from the dreaded 6kHz spike in some units.  I know from recent experience that buying a new HD 800 is almost like a crap shoot,  you hope yours is not the one affected.

 

As you probably are aware the frequency charts are all over the place with the HD 800 even with tight tolerances.

 

Perhaps an Annax type mod is required to tame some of that K812 treble (shrillness).

post #1840 of 3103
Quote:
Originally Posted by Mortalcoil View Post
 

From what Muppetface and Sonido describe it would appear that there are obvious discrepancies between K812 samples.

 

Just like the HD 800 that still suffers from the dreaded 6kHz spike in some units.  I know from recent experience that buying a new HD 800 is almost like a crap shoot,  you hope yours is not the one affected.

 

As you probably are aware the frequency charts are all over the place with the HD 800 even with tight tolerances.

 

Perhaps an Annax type mod is required to tame some of that K812 treble (shrillness).


Probably has more to do with our own unique biological makeup and being sensitive to different frequencies. I find the same 2-3 kHz problem in the M500, and now that I think about it, happens with my car speakers as well, but I'm sensitive to it. On the other hand, I never understood people talking about the treble peaks in the HD700 because I hear none, and I'm fine with the HD800 as well. I could hear the super spike in the T90, but I was dealing with it better than the spike here in the K812. Guess I'm less sensitive to 6+ kHz.

post #1841 of 3103
Quote:
Originally Posted by Sonido View Post
 


Probably has more to do with our own unique biological makeup and being sensitive to different frequencies. I find the same 2-3 kHz problem in the M500, and now that I think about it, happens with my car speakers as well, but I'm sensitive to it. On the other hand, I never understood people talking about the treble peaks in the HD700 because I hear none, and I'm fine with the HD800 as well. I could hear the super spike in the T90, but I was dealing with it better than the spike here in the K812. Guess I'm less sensitive to 6+ kHz.


I think that is true. I'm not that sensitive to the 2-4khz area(I do notice it's emphasis but it's not fatiguing or overly shrill) but I am rather sensitive to the 6khz+ region as I find the upper treble to often be rather piercing and harsh, the HD 800 was not a good match for me at all while the T1 was tolerable because even though I'm sensitive to 10khz it's not as fatiguing as the 6-8khz region to me.


Edited by kman1211 - 3/9/14 at 12:24am
post #1842 of 3103
Quote:
Originally Posted by Mortalcoil View Post

From what Muppetface and Sonido describe it would appear that there are obvious discrepancies between K812 samples.
Or... maybe the issue exists on all copies and people who are more sensitive to those frequencies can hear it.
post #1843 of 3103
Quote:
Originally Posted by Sonido View Post
 


Probably has more to do with our own unique biological makeup and being sensitive to different frequencies. I find the same 2-3 kHz problem in the M500, and now that I think about it, happens with my car speakers as well, but I'm sensitive to it. On the other hand, I never understood people talking about the treble peaks in the HD700 because I hear none, and I'm fine with the HD800 as well. I could hear the super spike in the T90, but I was dealing with it better than the spike here in the K812. Guess I'm less sensitive to 6+ kHz.

Could be. 

 

Quote:
Originally Posted by roguegeek View Post


Or... maybe the issue exists on all copies and people who are more sensitive to those frequencies can hear it.

Possibly.

post #1844 of 3103

It could be both: personal sensitivities and production issues. God, I hope it's not the latter.

post #1845 of 3103
Quote:
Originally Posted by Sonido View Post


Probably has more to do with our own unique biological makeup and being sensitive to different frequencies. I find the same 2-3 kHz problem in the M500, and now that I think about it, happens with my car speakers as well, but I'm sensitive to it. On the other hand, I never understood people talking about the treble peaks in the HD700 because I hear none, and I'm fine with the HD800 as well. I could hear the super spike in the T90, but I was dealing with it better than the spike here in the K812. Guess I'm less sensitive to 6+ kHz.

Sonido, I'm glad that I'm not alone in not understanding the fuss about the treble peak on the HD700... smily_headphones1.gif
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