Audio Note has been working closely with Psvane in China for some time. In our opinion, they are the best valve manufacturer currently operating in China. Audio Note is renown for their research and development prowess and for this collaboration they have created something remarkable. Their first creation was the 4242E a 211 equivalent. Following the same formula, the all-new 4330E are made with a Molybdenum anode. Molybdenum is extremely hard and difficult to work with, it has a melting point over 3,500 degrees centigrade so very specialized tooling is needed to form it which contributes to the cost of these gems. Audio Note knows their stuff and sonically this material is worth the investment. Well done Audio Note.
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