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Oppo PM-1: A New Planar Magnetic Headphone! - Page 21

post #301 of 2545
It's already been posted/mentioned a few pages back.
post #302 of 2545
Quote:
Originally Posted by john57 View Post

Only the midrange panels and tweeters of the largest Maggies are 'push/pull' with magnets on both sides of the membrane. All the rest of the panels in their speakers are 'push' only.


I own a pair of maggies similar to the 1.7 which was push only the tension on the stretched plastic membrane pulls itself back to the resting state.
 

So, lcd3 also one sided magnet, 'push' only too?
post #303 of 2545

I wish Audeze phones were one-sided.

post #304 of 2545
Quote:
Originally Posted by TMRaven View Post
 

I wish Audeze phones were one-sided.

 

+100

post #305 of 2545
Quote:
Originally Posted by TMRaven View Post

I wish Audeze phones were one-sided.

Why?
post #306 of 2545
Quote:
Originally Posted by DefQon View Post

It's already been posted/mentioned a few pages back.

No Problem, I thought it may have been, personally I hope it makes it into production as OPPO certainly seem to know what it takes to make good kit.

post #307 of 2545
Quote:
Originally Posted by DefQon View Post


Why?

 

Weight for me. Look at the hifiman he-4 as an example. One of the lightest planar's out there (350 grams). Still offers a wonderful signature IMO. 

 

I'm dreaming of an lcd that would weight 150 grams less. ;)

post #308 of 2545
Quote:
Originally Posted by MattTCG View Post
 

 

Weight for me. Look at the hifiman he-4 as an example. One of the lightest planar's out there (350 grams). Still offers a wonderful signature IMO. 

 

I'm dreaming of an lcd that would weight 150 grams less. ;)

Audeze IEM

post #309 of 2545
Quote:
Originally Posted by FraGGleR View Post
 

Audeze IEM

 

would be awesome!

 

planar magnetic IEM!

post #310 of 2545

I like planar magnetics because they're big drivers that move a lot of air.  I don't know how that would play out in an iem.

post #311 of 2545
Quote:
Originally Posted by TMRaven View Post

I like planar magnetics because they're big drivers that move a lot of air.  I don't know how that would play out in an iem.
Like other iem's (meh)
post #312 of 2545

Maybe kinda like a Yamaha YH-5M?

post #313 of 2545

Apparently, VSONIC are supposed to be working on a planar magnetic IEM. No idea when it will be launched, though...

post #314 of 2545
Quote:
Originally Posted by RedBull View Post


So, lcd3 also one sided magnet, 'push' only too?

My understanding from a bit of research since I do not own these headphones.

 

In the LCD-2s, you have an array of 12 six per side magnets per driver, these placed on both sides of the membrane in a push-pull configuration

With the LCD-3 you have an array of 16 magnets, 8 per side, per driver as I understand this from a bit of research.

The area of the LCD-2 and the LCD-3 membrane is 6.17 square inches, which is about double the radiating area of a typical dynamic driver of 50mm diameter with 2.5mm maximum excursion available between the magnets.

You can still have some push and pull effect with magnets on one side but Magnepan used to call magnets on one side push like mine some time ago.

 


Edited by john57 - 10/17/13 at 11:26am
post #315 of 2545
This may be the first planar magnetic I'm really interested in. Oppo are not a boutique manufacturer, and they have the ability to make a far more polished product. Plus, they have technical chops and a no-nonsense philosophy, and I think there is a good chance that the price will be fair as well. Now, all they need to do is not follow the trend and not make their headphones artificially bright. Because, you know... detail!
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