Vf 1.25 Volt / If 0.06 Ampere / Direct / Battery =
Descripción
HF and LF amplification, resister coupling.
Literatura
Universal Vade-Mecum, Electron Valves and Semiconductor Devices group 78, p. 107
- - Manufacturers Literature R149H 1-11-1926
L'ABCDaire des lampes de TSF des jeunes années
Babani, International Radio Tube Encyclopaedia