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NEW! AKG K812 - Page 18  

post #256 of 978
Quote:
Originally Posted by CantScareMe View Post
 

AKG K812 Pro

 

(overall text, please look at http://www.head-fi.org/t/684779/new-akg-k812-pro/225#post_9878425)

 

4) Conclusion

I repeat what I said in the first lines. This is the best sound emanating from any headphone I’ve come across.

 

Usually I’m mostly negative about headphones the first time I hear them and very rarely get wowed right at the off. I eagerly await the release of this headphone as well as the reviews and listening impressions of other headfiers.

 

To conclude, AKG have finally delivered. Their flagship is here, a £1000 headphone which will establish a concrete place in the listening pleasures of plenty. 

 

CantScareMe,

thank you! You confirm all my impressions I had with the K812Pro!

 

Quote:
 

Heck, literally 6 hours after I last heard the k812, I can still hear it virtually. It’s left that much of an imprint on my mind making it pretty easy I feel to review. Just so memorable.

 

This feeling I had too, but I wont say it here, some thinks I am crazy :k701smile: 


Edited by FritzS - 10/11/13 at 5:05am
post #257 of 978
Thread Starter 
Here are some Key Specs. More to come.
 

Type: Open back, circumaural, dynamic headphones 

Sensitivity: 110 dB SPL/V

Frequency range: 5 Hz - 54,000 Hz

Rated impedance: 36 Ohms

Max. input power: 300 mW

Cable: 3 m / 9.85 ft, 99,99% oxygen-free with genuine LEMO connector 

Connector: 3.5 mm (1/8”)

Adapter: 3.5 to 6.3 mm (1/8” to 1/4")

Net weight: 

390 g / 13.8 oz (without cable) 

Premium wooden stand for proper storage included



 


Edited by HiFiGuy528 - 10/11/13 at 5:36am
post #258 of 978
And these are from Sony Qualia

Type ...........Open air, DynamicDriver
unit .......1.96 inches (50mm) diameter;......dome-type Nano-composite diaphragm
Impedance (IEA) ..........70 ohms (at 1kHz)
Sensitivity................100dB/mW
Power handling capacity ........1500mW (IEC)
Frequency response ......... From 5 to 120,000Hz
Cord ......6N-OFC (99.9999%) Litz Wire DetachableChoice of one cord length ..Approx. 6.5ft (2m),.....11.5ft (3.5m) or 16.5ft (5m)
Plug ..Gold-Plated Standard 1/4 inch
Weight (w/o cord) ....Approx. 7.5oz (200g)
Supplied accessories .....Headphone stand,...soft cleaning cloth and instruction manual



Quote:
Originally Posted by HiFiGuy528 View Post

Here are some Key Specs. More to come.
 


Type: Open back, circumaural, dynamic headphones 

Sensitivity: 110 dB SPL/V

Frequency range: 5 Hz - 54,000 Hz
Rated impedance: 36 Ohms
Max. input power: 300 mW
Cable: 3 m / 9.85 ft, 99,99% oxygen-free with genuine LEMO connector 
Connector: 3.5 mm (1/8”)
Adapter: 3.5 to 6.3 mm (1/8” to 1/4")
Net weight: 
390 g / 13.8 oz (without cable) 
Premium wooden stand for proper storage included





 


post #259 of 978
Thread Starter 
Quote:
Originally Posted by Blackmore View Post

And these are from Sony Qualia

Type ...........Open air, DynamicDriver
unit .......1.96 inches (50mm) diameter;......dome-type Nano-composite diaphragm
Impedance (IEA) ..........70 ohms (at 1kHz)
Sensitivity................100dB/mW
Power handling capacity ........1500mW (IEC)
Frequency response ......... From 5 to 120,000Hz
Cord ......6N-OFC (99.9999%) Litz Wire DetachableChoice of one cord length ..Approx. 6.5ft (2m),.....11.5ft (3.5m) or 16.5ft (5m)
Plug ..Gold-Plated Standard 1/4 inch
Weight (w/o cord) ....Approx. 7.5oz (200g)
Supplied accessories .....Headphone stand,...soft cleaning cloth and instruction manual

 

But you can't buy a new Sony Qualia anymore so it's pointless to compare the K812 to it.

post #260 of 978
I know, its just that I found them to be similar in some ways, nothing more, so, why not compare.
Quote:
Originally Posted by HiFiGuy528 View Post

But you can't buy a new Sony Qualia anymore so it's pointless to compare the K812 to it.
post #261 of 978
Quote:
Originally Posted by Blackmore View Post

Sony Qualia sounded fantastic out of my protable set up, which I still own, portable set up I mean:-)

I never have a chance to listen to Qualia.
post #262 of 978
I was very lucky, thats all it is. Same like others have the chance to hear HE90, which to me still kind of idol in stats world
Quote:
Originally Posted by RedBull View Post

I never have a chance to listen to Qualia.
post #263 of 978
Quote:
Originally Posted by Blackmore View Post

I was very lucky, thats all it is. Same like others have the chance to hear HE90, which to me still kind of idol in stats world

Same here, i hear only 'up to', r10, he60, k1000 legends, but not yet qualia and he90, that's why i bought 'baby 2x' qualia (sa3000), which in turn is, 'baby' sa5000
post #264 of 978
I have a question again! If normal humans ears can only hear up to 20Hz to 20KHz, why AKG K812 Pro has a frequency range of 5Hz to 54KHz? @.@ it sound extreme to me
post #265 of 978

@BillsonChang007

smooth rolloff without phase rotation?

post #266 of 978
Quote:
Originally Posted by BillsonChang007 View Post

I have a question again! If normal humans ears can only hear up to 20Hz to 20KHz, why AKG K812 Pro has a frequency range of 5Hz to 54KHz? @.@ it sound extreme to me

That would mean that the driver can reproduce 20khz 'effortlessly' vs driver that can 'only' reproduce up to 20khz.
post #267 of 978

Frequency response is the most useless bit of information for any headphone, it's not like speakers where everything is usually given on a +/- 3db reading.

Hifiman lists their HE-400 as having a frequency response from 20-35khz, while Audio Technica lists their AD700 as having a frequency response of 5hz to 30khz.  Does that mean The AD700 can reproduce a 20hz signal 'effortlessly' vs the HE-400?  Hell no.  AD700 starts rolling off at like 70hz whereas the HE-400 starts rolling off around 35hz.  The same can be true for the treble part of the argument as well with different headphones.


Edited by TMRaven - 10/11/13 at 7:07am
post #268 of 978

I had a pair of affordable portable Pioneer headphones from the '80s that reported a frequency range of 4–50,000 Hz.

post #269 of 978
^ i mean, in theory. I don't think anybody audit if this is true or not.
post #270 of 978
Quote:
Originally Posted by Blackmore View Post

I know, its just that I found them to be similar in some ways, nothing more, so, why not compare.
Quote:
Originally Posted by HiFiGuy528 View Post

But you can't buy a new Sony Qualia anymore so it's pointless to compare the K812 to it.

 

 

Hope they don't end up with the same grade! 

 

http://www.head-fi.org/t/634201/battle-of-the-flagships-58-headphones-compared-update-audeze-lcd-2-revision-2-6-4-13#user_Q010MDR1

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