Shuguang has just added a new member to its recently released Treasure 'black bottle' series. The new 2A3-Z tubes are in stock at Grant Fidelity now. Retail for US$420.00 per pair with 30 days warranty. Add $50 for extended warranty to up 12 months.
Audiophiles within mainland China, Taiwan and Hong Kong are the first ones to experience this new tube. Comments are "they provide rich midrange and bottom, expanded touchable soundstage and vivid layers".
Product information here:
http://grantfidelity.com/site/Shuguang_treasure_2A3-Z
