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Chinese / Asian Brand Info Thread (Headphones, IEMs, Amps, DACs) - Page 69

post #1021 of 5241
Quote:
Originally Posted by kahaluu View Post

+1. Totally agree with you.

+2!
post #1022 of 5241
Ugomark took 12 days to process and send mine out. Eventually I got an email from them, and my status changed to "mailed" and I got a tracking number, but it took awhile, and I was getting a bit nervous at the end there, but it was sent. Just took some patience.
post #1023 of 5241
Quote:
Originally Posted by bhazard View Post
 

You can buy it directly from Xiaomi on Taobao.

you can buy, but what about the overseas shipping?

post #1024 of 5241
Thread Starter 
Quote:
Originally Posted by torro32 View Post
 

you can buy, but what about the overseas shipping?

$5 total, China Post (including Taobao forwarding service commission)

post #1025 of 5241

Just google 

The Whole Truth About Beryllium Diaphragms.

Fake or no fake, Be in 20$ iem sounds strange.

 

Because any beryllium synthesized in stars is short-lived, it is a relatively rare element in both the universe and in the crust of the Earth.


Edited by MuZo2 - 1/23/14 at 1:13am
post #1026 of 5241
Quote:
Originally Posted by MuZo2 View Post
 

Just google 

The Whole Truth About Beryllium Diaphragms.

Fake or no fake, Be in 20$ iem sounds strange.

 

 

 

see my comment in the discovery thread for the explanation of beryllium alloy driver and cost difference in China v.s the rest of the world. 

post #1027 of 5241
Quote:
Originally Posted by MuZo2 View Post
 

Just google 

The Whole Truth About Beryllium Diaphragms.

Fake or no fake, Be in 20$ iem sounds strange.

 

 

 

I agree - but Chinese are making such large numbers and amount/weight/mass of single diaphragm is very small, so

it just *might* be possible this is a profitable proposition. It woul co$t appreciably more if done anyplace else.

 

My Pistons 2.0 are in transit - and what I am hoping to hear is the extended and smooth treble, something IEMs have always had trouble with. Remember, I do not want yet another IEM, I need "something/anything - in IEM" that could at least not leave tooooooo much to be desired when monitoring live recordings, compared to Stax Lambda Pro and/or AKG K 1000 - which can only be used in quiet enviroment and are totally unsuitable for monitoring live in the same acoustic space as performers. 

 

It would be nice if Pistons can be used for my purpose unequalized - if not, I will be forced to use parametric equalizer; but if the treble is not OK as expected ... > then there probably is no Be used for diaphragms. 

post #1028 of 5241
Quote:
Originally Posted by analogsurviver View Post
 

I agree - but Chinese are making such large numbers and amount/weight/mass of single diaphragm is very small, so

it just *might* be possible this is a profitable proposition. It woul co$t appreciably more if done anyplace else.

 

 


will you buy from China gold , platinum and diamonds if they were sold at ridiculous low prices.

post #1029 of 5241
Quote:
Originally Posted by MuZo2 View Post
 


will you buy from China gold , platinum and diamonds if they were sold at ridiculous low prices.

That is different game - pure raw materials. The prices are comparable, no matter where are you buying. IF it is a legal deal.

 

Beryllium is a nasty material to work with - see http://en.wikipedia.org/wiki/Beryllium . It is the process that is safe for workers and enviromentally acceptable that is hard/costly to set up to begin with - and the high investment costs can only be absorbed trough large production/sales. I there really is beryllium in Pistons 2.0, and if they were making say only 1000 sets/pairs, price would have been many many times its present $ 20 or so. As I wrote, it *might* be true in the end, because of all the above.

 

Remember, Xiaomi sold 100.000 ( in word: one hundred thousand ) pcs of its latest smartphone - online in LESS THAN 86 (88) SECONDS ! At $ 500 or so a pop ... - because it is one of the very best smartphones available at this moment, regardless of price. They just *might* be subsidizing the Piston 2.0 a bit from that income...

 

Just one of the MANY reviews of Xiaomi MI3 smartphone on youtube:

 

post #1030 of 5241

Because beryllium is expensive (many times more than titanium), hard to shape due to its brittleness, and toxic if mishandled, beryllium tweeters are limited to high-end home,[73][74][75] pro audio, and public address applications.[76][77] Due to the high performance of beryllium in acoustics, for marketing purposes some products are claimed to be made of the material when they are not.[78]

post #1031 of 5241

Be is also used for WMD...

post #1032 of 5241
Quote:
Originally Posted by MuZo2 View Post
 

Because beryllium is expensive (many times more than titanium), hard to shape due to its brittleness, and toxic if mishandled, beryllium tweeters are limited to high-end home,[73][74][75] pro audio, and public address applications.[76][77] Due to the high performance of beryllium in acoustics, for marketing purposes some products are claimed to be made of the material when they are not.[78]

I am aware of that. Be WAS used extensively for phono cartridge cantilevers - no manufacturer I am aware of is currently using this material. The last one to pull out of Be production was Shure - stating in its PR release it can no longer source materials needed to produce the V15 series ( Be thin wall cantilever is the essence of V15, from V15V on at least ).

 

The truth must be different - Be is still available and still used in audio devices. Health hazard in Be production (dust floating in the air ...) is probably the real cause

why ALL cartridge manufacturers that used to use Be in their top offerings ( Shure, Audio Technica, Micro Acoustics, JVC - to name but a few ) stopped using it - and why

vintage production Be cantilevered styli/cartridges are highly sought after and command premium prices in online auctions. 

 

It is next to impossible to improve upon the Be in phono stylus cantilever, if it is properly made into a (tapered) thin wall tube - the only better way is vapour deposition of boron in similar shape, but the process is even more "friendly" to workers than the dreaded Be and has not been practiced - for at least two decades. 

 

Vapour deposition boron diaphragm for IEM - anyone ?

post #1033 of 5241
Quote:
Originally Posted by analogsurviver View Post
 

I agree - but Chinese are making such large numbers and amount/weight/mass of single diaphragm is very small, so

it just *might* be possible this is a profitable proposition. It woul co$t appreciably more if done anyplace else.

 

My Pistons 2.0 are in transit - and what I am hoping to hear is the extended and smooth treble, something IEMs have always had trouble with. Remember, I do not want yet another IEM, I need "something/anything - in IEM" that could at least not leave tooooooo much to be desired when monitoring live recordings, compared to Stax Lambda Pro and/or AKG K 1000 - which can only be used in quiet enviroment and are totally unsuitable for monitoring live in the same acoustic space as performers. 

 

It would be nice if Pistons can be used for my purpose unequalized - if not, I will be forced to use parametric equalizer; but if the treble is not OK as expected ... > then there probably is no Be used for diaphragms. 

+1

post #1034 of 5241
Quote:
Originally Posted by MuZo2 View Post
 

Because beryllium is expensive (many times more than titanium), hard to shape due to its brittleness, and toxic if mishandled, beryllium tweeters are limited to high-end home,[73][74][75] pro audio, and public address applications.[76][77] Due to the high performance of beryllium in acoustics, for marketing purposes some products are claimed to be made of the material when they are not.[78]

here's the equal to that. Yes those speakers might be sold for that much, but those are cabinet sized speakers. With GIANT diaphragms. The Piston are miniscule compared. Plus...I see the AKG 3003 still being sold for $1,200. The Sony H3, DUNU DN-1000, and Astrotec AX-60 all have essentially the exact same technology and # of drivers...for hundreds and hundreds of dollars LESS. So this is a  reason why there's a disparity between the price of the Piston and a cabinet speaker made with Beryllium alloy.  

 

THE AMOUNTS are vastly different, plus what analogsurvivor explained. It's not as cost consuming as it might appear. 

post #1035 of 5241
Quote:
Originally Posted by IEMagnet01 View Post
 

here's the equal to that. Yes those speakers might be sold for that much, but those are cabinet sized speakers. With GIANT diaphragms. The Piston are miniscule compared. Plus...I see the AKG 3003 still being sold for $1,200. The Sony H3, DUNU DN-1000, and Astrotec AX-60 all have essentially the exact same technology and # of drivers...for hundreds and hundreds of dollars LESS. So this is a  reason why there's a disparity between the price of the Piston and a cabinet speaker made with Beryllium alloy.  

 

THE AMOUNTS are vastly different, plus what analogsurvivor explained. It's not as cost consuming as it might appear. 

+1; or something to that effect.

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