I got the same message. The interesting thing is that it was sent to my email address used only for Audiogon that I set up quite recently (within a month or so). I suspect that Audiogon customer database has been hacked.   The server address is somewhat different: http://audiogon-a.co.uk/signin

I will buy your USB gen 1 board.

A little OT, but what do you guys do with the replaced USB and analog boards, ship them back, throw away? I may be interested in gen 1 usb board...

Quote: That's Audio-gd piece.

Quote:   Look for Foton factory 6n6p. They could be identified by darker glass envelope (they look "burned"), square getter attached on both sides, and carbon plated internal shield. In my experience those sound the best.

Quote: The tube in the picture is 6N1P-VE which does not exist outside eBay. The numbers are printed on the tubes using some kind of printer. diyaudio forums mentioned that this could be fake chinese tube made look like vintage soviet. The only 6n1p variants produced in USSR are regular...

I dug these out while I wait for my replacement Sennheisers to arrive and plugged them into Schiit Valhalla - what a surprise, they sound really good for "DJ" headphones.   Back when I was spinning vinyl in NYC bars and clubs I used them and abused them - never a reliability issue. Sound...

I once had an opportunity to listen and purchase Decware Mini Torii with LCD-2. I knew little about phones then and did not consider then as a viable listening option. Now I'm diving into it head-first.  

Audio-gd C-2 is my first and only head amp, driving AKG-240 "Anniversary Edition" headphones. This is the setup that got me hooked on headphone audio. I am a big SET / high efficiency speaker fan and never considered headphones as an alternative to listening to the music. I briefly listened to...

Oh boy... I need to make a pair of these so I could use 6n6p tubes in 5687 sockets. Adapters with long leads are not optimal as they could potencially introduce oscillation. Good suggestions otherwise.