This RCA 6BK7B tube is new old stock (NOS) and is perfect for vintage electronics enthusiasts. The tube is made by RCA and has the model number 6BK7B. It is a great addition for those who collect vintage audio and video equipment or need replacement parts for their vintage electronics.

The tube is compatible with various tube sockets and is a great component for restoring vintage equipment to its former glory. It is a rare find and is a must-have for serious collectors. Add this RCA 6BK7B tube to your collection today and experience the rich sound of vintage electronics.