This vintage TELEFUNKEN RS212 triode is a rare gem from 1940. With a power rating of 250 watts, it was originally designed for use in military communication equipment during World War II. Despite its age, this tube is new old stock (NOS) and has never been used. Made in Germany, it features a unique design that makes it highly sought after by collectors and enthusiasts. Whether you're a vintage electronics aficionado or simply looking for a piece of history, this RS212 tube is sure to impress.