quad 6P6S Tube REFLECTOR Tetrode eq. 6V6 / 6V6GT / 6AY5 Tested Same Date NOS OTK
Near equivalent: 6V6, 6V6GT, 6AY5, 1515. The 6P6S output beam tetrode tube in a glass shell with an octal cap. 6P6S Output Beam Tetrode. Soviet electron tube 6P6S, output beam tetrode. REFLECTOR factory.