20.Sep.1945 : Electron Tube Registration List rec. 435
Base
Octal (Int.Octal, IO) K8A, USA 1935 (Codex=Voo)
Filamento
Vf 0 Volt / If 0 Ampere / --/--
Descripción
Metal type primarily for vibrator-type B-supply units of automobile receivers. Utilizes a starter electrode and an ionically heated cathode. Starter anode permits operation of OY4 directly from 117 volts ac line. Pins 7 and 8 must be tied together at socket. RF filter circuits placed close to socket terminals are required to reduce rectifier noise.
Precios de válvulas
2 Precios de válvulas (visible
solo para miembros)
Literatura
Essential Characteristics, GE 1973
Taschenbuch zum Röhren-Codex 1948/49
