Sovtek 5U4G Rectifier Vacuum Tube

The Sovtek 5U4G Rectifier Vacuum Tube is a directly heated diode engineered for efficient alternating voltage rectification in general-purpose radio and audio equipment. Renowned for its reliability, it serves as a genuine replacement for 5U4G, 5U4GB, or EL37 tubes and is notably utilized in the Mesa Boogie Dual Rectifier circuit, ensuring consistent performance and vintage tone integrity in high-demand applications.