Pa<8W; Typ 2.5W audio output at Va=250; Ia=32mA; Rload=8k; Vg2=200; Vg1=-10;. Also available with 7 pin base and in Catkin form.
Literatur
History of the British Radio Valve to 1940 p. 147 & 189
Babani, International Radio Tube Encyclopaedia p. 120 & 121
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49
