, it is capable of providing an exceptional sound quality that will elevate the listening experience. Made in Germany in 1941, this NOS tube comes with its rare socket !! and is ready to be installed. The quality of this tube is unmatched, thanks to Telefunken's reputation for manufacturing high-quality electronics. The RV335 model is a favorite among audiophiles and vintage electronics enthusiasts, with its excellent performance and durability. Don't miss out on the opportunity to own a piece of history with this top-of-the-line triode.