Dear Quanghao, I have many times emailed you on various addresses and direct to your web site. I am trying to purchase Pre818 kit but it says there is no delivery either to Australia or USA. Kind regards, John. johnd@geohydrogen.net
Please go to this topic: My web is wrong!
http://www.diyaudio.com/forums/tubes-valves/202336-best-preamplifier.html#post2816584
thanks