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Sony's new flagship 2014 - MDR-Z7 - Page 161

post #2401 of 2408

Les Numeriques has the French language interview. They like it, 5 out of 5 stars.

http://www.lesnumeriques.com/casque-audio/sony-mdr-z7-p22050/test.html

However, the 50Hz square-wave leaves a LOT to be desired for me:
 

post #2402 of 2408
Quote:
Originally Posted by halcyon View Post
 

Les Numeriques has the French language interview. They like it, 5 out of 5 stars.

http://www.lesnumeriques.com/casque-audio/sony-mdr-z7-p22050/test.html

However, the 50Hz square-wave leaves a LOT to be desired for me:
 

that is FAR better than I expected actually

 

get rid of that minor hump/bloat after the leading edge and it's quite good

post #2403 of 2408

Sony MDR Z7 réponse en fq

 

If this FR graph is accurate, I'm really disappointed in the 40-200Hz shelf and the 6dB roll-off from 40Hz to 20Hz.

 

The Z7 has a 70mm driver!!!  This thing should be dead flat to at least 20Hz.

 

I'll wait for Tyll's measurements before I jump to any conclusions, but so far, it's not looking too good .....   :( 


Edited by XERO1 - Today at 12:01 am
post #2404 of 2408
Quote:
Originally Posted by XERO1 View Post

 

The Z7 has a 70mm driver!!!  This thing should be dead flat to at least 20Hz.

Driver size has nothing to do with extension extremes. Responsiveness is what gives a headphone good extension, which means tight tolerances between the magnet and voice coil to maximize the intensity of the magnetic field and (typically) a diaphragm that is light and easy to move. The Z7 does not have the latter; metal coatings are heavy and the huge surface of the diaphragm means more metal, and more weight.

 

This also isn't factoring in the distortion figures, etc. The bass probably does dig deeper than the FR shows, but it gets thicker and less refined as you go down.

 

But yeah, wait for Tyll's; I'd trust him over whoever did those plots any day.


Edited by takato14 - Today at 12:07 am
post #2405 of 2408
Quote:
Originally Posted by XERO1 View Post
 

Sony MDR Z7 réponse en fq

 

If this FR graph is accurate, I'm really disappointed in the 40-200Hz shelf and the 6dB roll-off from 40Hz to 20Hz.

 

The Z7 has a 70mm driver!!!  This thing should be dead flat to at least 20Hz.

 

I'll wait for Tyll's measurements before I jump to any conclusions, but so far, it's not looking too good .....   :( 


The new normal is such a bass boost, but transitioning at 150hz instead of 200hz.  If you really are disappointed, you may be disappointed in the future of unequalized headphones.

post #2406 of 2408
Quote:
Originally Posted by takato14 View Post
 

that is FAR better than I expected actually

 

get rid of that minor hump/bloat after the leading edge and it's quite good


I'm not sure what you expected, but I expected something better.

For comparison:

Beyer T70P @ 30 Hz


Nad Viso HP50 @ 30 Hz

 

 

Both are clearly better and their bass (I own both) leave a lot to be desired.

 

I don't just want quantity, I want quality too. Z7 will not provide that in the bass region. Clearly mid-bass dominance, some phase issues and ringing. Not good.

post #2407 of 2408
I don't know about you all but I listen to the headphone not the graph.

Jim
post #2408 of 2408

May be a basic question, but what does square wave response have to do with bass?

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