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AKG K812 Pro - Page 125

post #1861 of 2893
Quote:
Originally Posted by M-13 View Post
 

Great post macbob! I would have definitely returned mine as well if I heard tizzy or confused treble or god forbid ringing. I have no problems returning products I find to be problematic. In fact if I wasn't so in love with the K812 I would have just asked for a refund instead of a replacement from RazorDog. He actually had the HD800 for cheaper (in stock) than what I got the K812 for, and I thought long and hard about it before going K812, and thought about it some more when sending it in and asking for a replacement.

 

As for my replacement pair. It's stuck in my local post office. Expected delivery has been updated to Monday. If I get a pair that is strident/tizzy/confused I'll let everyone know and return my pair.

 

 

Yeah, most headphones are mising information at 2K~3K, it's quite unusual for headphones to be linear there instead of dipping hard off a cliff. I actually like it a lot. The K812 and Spirit Pro both exhibit this trait which I personally like and think of closer to "neutral". The Signature Pro dips pretty hard there, like all other headphones I've tried in my profile. It's the more common tuning and is not unpleasant or anything, it's the lesser fault of ommission rather than inclusion, so little harm done, but I'm just missing information there that I like hearing.

 

Good luck on your delivery, M-13! Look forward to hearing about your replacement pair.

post #1862 of 2893
Quote:
Originally Posted by macbob713 View Post


I was able to hunt down a copy of the March 2014 issue of Recording magazine you told me about. They review a number of hp's in this issue, including an excellent review on the K612 Pro, K712 Pro and the K812. This piece should be read by anyone curious about these headphones. To paraphrase the author, " everyone should hear music they really know well through a the K812 and a proper amp once in their life. You owe it to yourself to know what ruthless, uncompromising perfection sounds like".
"The remarkably flat and neutral frequency response and amazing detail turn out to be a two edged sword. These headphones will immerses you in the details , good and bad, as well as the emotions. And he writes, "Oh, and outright badly recorded or encoded stuff, forget it. If your recording has MP3 artifacts or overused noise reduction, these headphones will turn them into a weapon that will put a serious hurt on your ears."
The review summarizes with, "After the mind expanding experience of 24/96 audio through the K812, it's difficult to go back to any other headphone, an astounding pinnacle of audio performance."
I encourage people on this thread to check the review out. I found the magazine at my local Barnes and Nobel today.


I've narrowed down the reasoning to my impressions to any or a combination of all of these:

 

- sensitive ears to 2-3 kHz

- poorly mastered material, K812 being even less forgiving than HD800

- less than ideal amping for the K812

- negative bias towards K812

 

I actually want to talk a bit about negative bias that now I'm certain I have towards the K812. It's definitely a subconscious bias that I have no problem owning up to. I wish I didn't have this bias because it would make comparisons against the HD800 so much easier. I've been listening to both and switching back and forth. Yesterday, I noted a specific problem on JPop tracks and wanted to really compare in depth on how the K812 presented the vocals that I found jarring versus the HD800. I set up both headphones to what I deemed to be the best setup I currently have for both. I used RCA splitters coming out of the DC-1 DAC had the following chains setup:

 

DC-1 -> Vali -> K812

DC-1 -> Quickie -> Crack -> HD800

 

The K812 was going against my current favorite chain of the HD800. I started playing songs and would switch between the two. I kept noting how smooth and intimate the vocals were when I had the HD800 on, and how it was jagged and rough at times with the K812. In a fortunate twist of luck, being too focused on picking out what song to listen to next, somehow I believed I had the K812 on when I started playing the next song. I started making notes of how certain parts of the vocals were once again jagged and unpleasurable, and when I went to switch to the HD800, I realized it was the HD800 I had on since the beginning of the song, and the K812 was on the table. Thus, came the realization that I definitely have some kind of subconscious negative bias towards the K812. Actually since that realization, I find myself judging perhaps less critically on the K812, and the differences between the two headphones have narrowed. I hope with more time, I will reach a point of parity on my judging.

post #1863 of 2893
Quote:
Originally Posted by Sonido View Post

 

I hope with more time, I will reach a point of parity on my judging.

I love your passion Sonido!

 

And I love how you are aware of how tricky your brain is. Yeah expectation bias is crazy powerful. Once someone see's measurements, they start to hear those measurements. It's kind of crazy but that's how the human brain works.

 

I say take a few weeks with the K812. Why so quick for a smackdown? Give the K812 some room to live and breathe in your collection. If you find it jagged, just stick with the HD800 until you feel like you're in the right mood to give the K812 a try. Honestly, burn-in seriously happened for the K812 for me personally, and I think you should run them for about 100~200 hours to give them a fair shot at the HD800.

post #1864 of 2893
Quote:
Originally Posted by Sonido View Post


I've narrowed down the reasoning to my impressions to any or a combination of all of these:

- sensitive ears to 2-3 kHz
- poorly mastered material, K812 being even less forgiving than HD800
- less than ideal amping for the K812
- negative bias towards K812

I actually want to talk a bit about negative bias that now I'm certain I have towards the K812. It's definitely a subconscious bias that I have no problem owning up to. I wish I didn't have this bias because it would make comparisons against the HD800 so much easier. I've been listening to both and switching back and forth. Yesterday, I noted a specific problem on JPop tracks and wanted to really compare in depth on how the K812 presented the vocals that I found jarring versus the HD800. I set up both headphones to what I deemed to be the best setup I currently have for both. I used RCA splitters coming out of the DC-1 DAC had the following chains setup:
That was a phenomenal post. I have never read anything like it here or elsewhere. I've also been going back and forth between the 800 and 812. Both are truly outstanding hp's. For me, I've gravitated to the 812. But I admit I also have a bias. I have owned a series of AKG K series hp's, and I have always preferred them over my 800. Go figure. I also tried the Audeze LCD 3, and preferred the 800 over that, so I sold the Audeze. After weeks of listening to the 812, I'm comfortable stating I prefer them. But like I said, I've really enjoyed the K series cans for years now and this 812 checks off all my bucket list desires for a great hp.
Recording Magazine summarized the 812 for me perfectly: "an astounding listening experience for those who demand the very best".
Once you have reached your final conclusions on these cans, you will probably be able to say the same thing about one of them, for both are first class works of audio art and science.

DC-1 -> Vali -> K812
DC-1 -> Quickie -> Crack -> HD800

The K812 was going against my current favorite chain of the HD800. I started playing songs and would switch between the two. I kept noting how smooth and intimate the vocals were when I had the HD800 on, and how it was jagged and rough at times with the K812. In a fortunate twist of luck, being too focused on picking out what song to listen to next, somehow I believed I had the K812 on when I started playing the next song. I started making notes of how certain parts of the vocals were once again jagged and unpleasurable, and when I went to switch to the HD800, I realized it was the HD800 I had on since the beginning of the song, and the K812 was on the table. Thus, came the realization that I definitely have some kind of subconscious negative bias towards the K812. Actually since that realization, I find myself judging perhaps less critically on the K812, and the differences between the two headphones have narrowed. I hope with more time, I will reach a point of parity on my judging.
post #1865 of 2893
Quote:
Originally Posted by M-13 View Post
 

I love your passion Sonido!

 

And I love how you are aware of how tricky your brain is. Yeah expectation bias is crazy powerful. Once someone see's measurements, they start to hear those measurements. It's kind of crazy but that's how the human brain works.

 

I say take a few weeks with the K812. Why so quick for a smackdown? Give the K812 some room to live and breathe in your collection. If you find it jagged, just stick with the HD800 until you feel like you're in the right mood to give the K812 a try. Honestly, burn-in seriously happened for the K812 for me personally, and I think you should run them for about 100~200 hours to give them a fair shot at the HD800.


I agree. I'm actually taking a much more open-minded and holistic approach to it now ever since my realization. It's not every day you get to be in a blind A/B test without even realizing you're in an A/B test. That's pretty much what went down, and it's probably more objective than any A/B test where you're left to decide which one it is. Here I truly believed I had one on and even pointed out the flaws I had with the headphone I believed I had on, but it was really the other headphone. Quite a lucky experience indeed!

post #1866 of 2893
M13, glad to hear your postal trials and tribulations are coming to an end. Look forward to your updates on your new cans.
post #1867 of 2893
Quote:
Originally Posted by macbob713 View Post

M13, glad to hear your postal trials and tribulations are coming to an end. Look forward to your updates on your new cans.


Haha. Thanks macbob. I feel like Job right now, but I see the light at the end of the tunnel. :atsmile:

post #1868 of 2893
Quote:
Originally Posted by M-13 View Post


Haha. Thanks macbob. I feel like Job right now, but I see the light at the end of the tunnel. atsmile.gif
Hopefully you don't turn to stone first!
post #1869 of 2893
Here's one last quote from Recording magazines coverage on the K812: "An astounding listening experience for those who demand the very best".
After reading the writers remarks on listening to hi-Rez music over the 812, I broke out some classical favorites on SACD, and these are fantastic. These cans just keep sounding better to me all the time.
post #1870 of 2893
Quote:
Originally Posted by macbob713 View Post

Here's one last quote from Recording magazines coverage on the K812: "An astounding listening experience for those who demand the very best".
After reading the writers remarks on listening to hi-Rez music over the 812, I broke out some classical favorites on SACD, and these are fantastic. These cans just keep sounding better to me all the time.

 

Thanks for your efforts, macbob713. Good to know there are finally some reviews coming up.

post #1871 of 2893
Quote:
Originally Posted by Sonido View Post
 


I agree. I'm actually taking a much more open-minded and holistic approach to it now ever since my realization. It's not every day you get to be in a blind A/B test without even realizing you're in an A/B test. That's pretty much what went down, and it's probably more objective than any A/B test where you're left to decide which one it is. Here I truly believed I had one on and even pointed out the flaws I had with the headphone I believed I had on, but it was really the other headphone. Quite a lucky experience indeed!

 

:beerchug:

post #1872 of 2893

Btw HeadRoom finally has the K812 graphed out. I think it was put on recently because I've checked many times before.

 

It looks like the K812 does have more bass.


Edited by Sonido - 3/9/14 at 6:19pm
post #1873 of 2893
Quote:
Originally Posted by M-13 View Post
 

Yeah, most headphones are mising information at 2K~3K, it's quite unusual for headphones to be linear there instead of dipping hard off a cliff. I actually like it a lot. The K812 and Spirit Pro both exhibit this trait which I personally like and think of closer to "neutral". The Signature Pro dips pretty hard there, like all other headphones I've tried in my profile. It's the more common tuning and is not unpleasant or anything, it's the lesser fault of ommission rather than inclusion, so little harm done, but I'm just missing information there that I like hearing.

 

So you would describe the K812 as a sunny day as opposed to an overcast one? I certainly find the Spirit Pro very open and clear.

 

post #1874 of 2893
Quote:
Originally Posted by Sonido View Post
 

Btw HeadRoom finally has the K812 graphed out. I think it was put on recently because I've checked many times before.

 

It looks like the K812 does have more bass.

 

Interesting how there appears to be no peak in the 3kHz area, and the 8-10kHz on both 812 and 800 resemble a tooth.

post #1875 of 2893

hmmmmmm.....

 

 

 

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