28.Jun.1945 : Electron Tube Registration List rec. 415
Culot
UX-Base (4 Pins (2 thick, USA 1924) (Codex=Bo)
Utilisé par
Transmittertube (Radio)
Chauffage
Vf 7.5 Volt / If 1.25 Ampère / Direct / Specified voltage AC/DC
Description
AF power amplifier. Delivers 3W across 8 ohms with 425V anode voltage and 3750 ohms cathode resistor.
First appeared in 1927, was registerd to GE in 1945. Some tubes located are dual branded RCA-deForest
Dimensions (l x h x p) incl.pins/tip
x 137 x 54 mm / x 5.39 x 2.13 inch
Bibliographie
Tube Lore (II) p. 78
- - Manufacturers Literature
Babani, International Radio Tube Encyclopaedia
Taschenbuch zum Röhren-Codex 1948/49
