The 6P7S Output Beam Power Tetrode is designed for operation in Line Scanning Output Stages of TV Receivers. This tube is not a direct 6BG6 clone, it is an octal modification of G-807 tube, which one was soviet clone of famous 807. Both 6P7S and 6BG6 tubes has the same pinout and nearly the same characteristics. NOS and never used before! Made by Ulyanovsk factory.