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Oppo PM-1: A New Planar Magnetic Headphone! - Page 59

post #871 of 2000
Quote:
Originally Posted by bcschmerker4 View Post
 


Not for certain, as the physical design of the PM-1's diaphragm is still in flux.  Some of the pre-existing competition from Audeze® and HiFiMAN® present almost purely resistive loads to power-amplifier outputs, so the Texas Instruments® TP6120A2 headphone PO (Zs = 10.7Ω) in my Asus® CM1630-06's XONAR® Essence™ STX™ should be able to drive any of them sans frequency- and phase-response issues common to dynamic headsets such as the Plantronics® and Sony® models used in computer circles.  (The XONAR's® PO can be set for one of three gains to drive headsets of different impedances; it's stable with anything above 32Ω and can even handle some of the 600Ω 'phones used in ENG work.)

 

®®®®®®®®®™™™™™™™™™™™  :confused:

post #872 of 2000
Quote:
Originally Posted by Barry S View Post
 

 

®®®®®®®®®™™™™™™™™™™™  :confused:

+ 600 :rolleyes:

post #873 of 2000
Quote:
Originally Posted by jghead View Post
 

For the amp, when Oppo says on their website that:

 

"OPPO is also working with a leading smartphone and tablet manufacturer to certify the HA-1 so it can pass the required authentication and take digital audio from those popular mobile devices."

 

Do they mean that direct digital audio will pass from any Apple iDevice to be decoded by the Oppo amp DAC with a regular Lightening-USB cable?
 

 

I don't know, but the photo show an antenna on the back of the HA-1 and they mention Bluetooth, too.

post #874 of 2000
Ok, so far in this thread I have read these impressions:
Portable,
Comfortable,
Open can,
Greater than lcd2,
Less than lcd3 or hd800
Smooth trebles,
Clear sound,
Bass level not decided....

So by this I assume they should compete or surpass(?) in range of hd500 and AlphaDogs..
Being portable they may command a higher price but with AlphaDog setting the bar on value they need to not go out of the range people would risk on a new can.
Looks like I will have to save up...
Edited by Maxx134 - 12/8/13 at 6:46am
post #875 of 2000

still don't understand, how many people here use open headphones for portable use (if this ends up being opened which like previously stated, the open griles looks like it is opened)? for me i want it not to leak or bleed sound

post #876 of 2000

It's surprising what a Chinese company that focuses primarily on knock-off or imitation electronics such as copycat-designed iPods, cheap MP3 players, tablets, and cell phones can make. Well they had a long run, and it's nice to see them develop some original products, like the Oppo Find smartphone.

 

Eventually we'll probably see Meizu come out with an electrostatic headphone! Then Edifier with a fully open ear-speaker type headphone like the AKG K1000.

 

This is the limit of what Chinese companies can do. They will never make anything new like Sennheiser, B&O, or Shure does; just take from other's technologies and infinitely innovate on them. Examples are Yulong, HiVi/Swan, or Hisound these companies will never invent a new technology, just offering the best performance value for the price you pay.


Edited by stuartfang - 12/8/13 at 11:44am
post #877 of 2000
Quote:
Originally Posted by stuartfang View Post
 

It's surprising what a Chinese company that focuses primarily on knock-off or imitation electronics such as copycat-designed iPods, cheap MP3 players, tablets, and cell phones can make. Well they had a long run, and it's nice to see them develop some original products, like the Oppo Find smartphone.

 

Eventually we'll probably see Meizu come out with an electrostatic headphone! Then Edifier with a fully open ear-speaker type headphone like the AKG K1000.

 

This is the limit of what Chinese companies can do. They will never make anything new like Sennheiser, B&O, or Shure does; just take from other's technologies and infinitely innovate on them. Examples are Yulong, HiVi/Swan, or Hisound these companies will never invent a new technology, just offering the best performance value for the price you pay.


I agree it's nice to see Chinese companies developing original products. This is the same story as in other Asian countries like Japan and Korea, that started off with cheap knockoffs, then fancy knockoffs, then original products.  However, I disagree that we're seeing the limits of Chinese products and that they're going to dead-end at improving existing technologies. The cost of labor is rising in China and they'll have to innovate to compete.

 

From the little I've read about the PM-1 driver, it sounds like an innovative design not currently being used in any other headphone.  Completely different technologies  are infrequent in transducer design--not sure I expect one from any country any time soon.

post #878 of 2000

Even if the mother company is chinese, Oppo digital is based in California, unless I am wrong, those headphones and the Amp are developed there and are not chinese in that sense.

post #879 of 2000
Quote:
Originally Posted by jghead View Post
 

Even if the mother company is chinese, Oppo digital is based in California, unless I am wrong, those headphones and the Amp are developed there and are not chinese in that sense.

You got that right.  Function in a somewhat independent fashion, like Lexus and Toyota.

post #880 of 2000
Quote:
Originally Posted by RUMAY408 View Post
 

+ 600 ®™

Fixed that for you.

post #881 of 2000
Quote:
Originally Posted by ssrock64 View Post
 

Fixed that for you.

Why thank you :D

post #882 of 2000
Quote:
Originally Posted by stuartfang View Post

It's surprising what a Chinese company that focuses primarily on knock-off or imitation electronics such as copycat-designed iPods, cheap MP3 players, tablets, and cell phones can make. Well they had a long run, and it's nice to see them develop some original products, like the Oppo Find smartphone.

Eventually we'll probably see Meizu come out with an electrostatic headphone! Then Edifier with a fully open ear-speaker type headphone like the AKG K1000.

This is the limit of what Chinese companies can do. They will never make anything new like Sennheiser, B&O, or Shure does; just take from other's technologies and infinitely innovate on them. Examples are Yulong, HiVi/Swan, or Hisound these companies will never invent a new technology, just offering the best performance value for the price you pay.

Didn't Edifier recently acquire Stax?
post #883 of 2000
Quote:
Originally Posted by Vipers View Post
 

Hi Guys,

 

I have just been extremely privileged and just had the main guys and developers in from OPPO and in one of their bags they pulled out a pair of almost ready for production PM-1's, needless to say that I didn't hang about and plugged them straight into a Bursom Soloist for a listen, I understand there is some tweaking to do but I really do think OPPO are going to surprise a few people and have got a hit on their hands, shame they didn't have their headphone amp with them but after talking to them at length about it I really can't wait to get my hands on it, apparently it will drive the HE-6's no problem, will decode DSD, has 2 gain setting, balanced and single ended outputs and will be a USB DAC amongst other things and it looks a million dollars, this could be a real winner.

 

As for the PM-1's, firstly they are extremely comfortable, I kept switching between my LCD-2's, LCD-3's and the PM-1's and I have to say that the OPPO cans are far more comfortable, they are also a lot lighter and easier to drive, I would have to notch up the Soloist a further 3-4 steps to equal the output on the LCD-2. How do they sound? I do need a longer session but compared to the LCD-2's they are more open and detailed in their sound and a little smoother at the very top end, If I'm really honest they perform closer to the LCD-3's than the LCD-2's. From what I understand there will be a balanced cable option and a stand in the box and they fold extremely flat which will make them quite handy for guys who travel a lot, also the ear cushions are extremely easy to remove and are made from a very soft leather helping with their comfort.

 

The price will be an interesting one, but from what I have heard OPPO should be reasonably confident that they will be able to compete with the likes Audeze and HiFiMan from day one. 

 

Hopefully we won't have to wait much longer to give them a proper work out :) 

 

Cheers,

Paul.

 

Compete with Audeze = $1600-$1900. 

 

Or maybe not.   We shall see.  

 

And 'more comfortable than LCD-2's' is extremely faint praise, but good to know.    More comfortable than HD800's.... now that would be something.  

post #884 of 2000
Quote:
Originally Posted by stuartfang View Post
 

It's surprising what a Chinese company that focuses primarily on knock-off or imitation electronics such as copycat-designed iPods, cheap MP3 players, tablets, and cell phones can make. Well they had a long run, and it's nice to see them develop some original products, like the Oppo Find smartphone.

 

Are you talking about Oppo or another company?

post #885 of 2000
Quote:
Originally Posted by Barry S View Post
 


I agree it's nice to see Chinese companies developing original products. This is the same story as in other Asian countries like Japan and Korea, that started off with cheap knockoffs, then fancy knockoffs, then original products.  However, I disagree that we're seeing the limits of Chinese products and that they're going to dead-end at improving existing technologies. The cost of labor is rising in China and they'll have to innovate to compete.

 

From the little I've read about the PM-1 driver, it sounds like an innovative design not currently being used in any other headphone.  Completely different technologies  are infrequent in transducer design--not sure I expect one from any country any time soon.

 

It might be similar to vintage orthodynamic trandsducers - so we have to wait to see an actual driver before we know how innovative it is.

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