Valvola 78

Zoccolo 6-Pin-Base U6A, old, USA (Codex=Kf) Top contact with a cap. Utilizzata per Radio/TV-reception etc. Filamento Vf 6.3 Volt / If 0.3 Ampere / Indirect / Specified voltage AND current AC/DC Descrizione Remote cutoff RF/IF amplifier. * RMA/JEDEC register record available by courtesy of TCA* - This tube was already listed by several manufacturers when RMA started its standardization in 1934. In order to characterize popular receiving types, manufacturers were asked to supply average characteristics as measured on production lots. Here are the filled answer forms supplied by Radio Valve Co., Raytheon, Sparton, Triad, Tung Sol, Ken Rad, Hytron and Arcturus. Full record is downloadable here. Dimensioni (LxAxP) incl.pins/tip x 118 x 34 mm / x 4.65 x 1.34 inch Peso 38 g / 1.34 oz Bibliografia Essential Characteristics, GE 1973 Tube Lore (II) p. 28 -- Collector info (Sammler) Taschenbuch zum Röhren-Codex 1948/49