There's been little talk recently about the WA2 from all those folks who were ordering them a couple of months ago. What are your impressions / observations / discoveries? My suspicion is that everyone is just sitting back listening and enjoying, but that doesn't make for good reading on...

I'm resurrecting this topic, originally discussed here http://www.head-fi.org/forums/f5/6922-sub-wa2-406379/ in order to offer a bit of new information. A couple of days ago, I decided to go back and verify my initial impression that most of the 6922/6DJ8 substitutes did not work in my WA2...

Another can of worms... I did a search and didn't find anything (recent) that specifically discussed the value of tube matching. Elsewhere I've seen arguments that it's a merchandising technique with little real-world benefit. If there is a thread somewhere, could you please direct me to...

There's a discussion over on Tube Asylum about a couple of Russian 6922 equivalents - the 6N1P and the 6N23P. The 1P is extraordinarily cheap, and many folks speak very highly of it. It is not as directly compatible as the 23P, but I wrote to Jack and he says the 1P is a direct replacement for...

"The main sound channel selects for use and imports the special-purpose volume electric potential device. Set up the function of the earphone especially, may connect and use the earphone to listen to the gallbladder machine." Foshan Chancheng Yaqin Sound appliances factory MC-6L6A - about...