Three days before, when I tried to change foam tip to my ER4S ,the right driver tube was broken. I 've bought it on 18 feb 2007 so with my understanding it 's still in warranty period (2 years) So I went to the shop that I 've bought (I live in Thailand) They refused to change the new one for me...

Now I am using Akg K701 ,my primary usage is for analysis not for enjoyment . I suppose that I have many good component enough so I can say that Now I can drive my can perfectly. I can hear many details in the song with my 701, but now I am doubt that K1000 can be better . So that, Can K701...

If the neutrality is ONLY concerned , Should I choose between these , K501 or K701 ? Last night i 've audited K501 and K701 and I 've found that K501 gives me more neutral and more real soundstage according to my ears . So all your opinions will be useful , I hope for you all ! Thank in...

due to my post , http://www6.head-fi.org/forums/showt...ht=westone+um2 i am the customer of Westone , living in Thailand . I 've sent them UM2 for repairing since 9 June , at first , because Thailand is a very distant place from them and not many people in Thai know Westone . I am uncertain...

My Westone UM2 has some problems and I think its drivers was damaged . So last tuesday, 6 Jun 2006 , I 've sent it to Westone Lab with FedEX ( I permanently live in Thailand) .I 've checked that they 've received it on 9 Jun 2006 but now Westone still not reply me so i 'm very concerned that...