Zoccolo 6-Pin-Base U6A, old, USA (Codex=Kf) Top contact with a cap. Utilizzata per Radio/TV-reception etc. Filamento Vf 2.5 Volt / If 1 Ampere / Indirect / Specified voltage AC/DC Dimensioni (LxAxP) incl.pins/tip x 123 x 39 mm / x 4.84 x 1.54 inch Peso 42 g / 1.48 oz Bibliografia Essential Characteristics, GE 1973 Tube Lore (II) p. 28 Taschenbuch zum Röhren-Codex 1948/49 Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren