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B242

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ID = 12557
       
Country:
Netherlands
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Developer: Philips; Eindhoven (tubes international!); Miniwatt 
Tube type:  Screen-grid Tetrode   Audio Frequency 
Identical to B242
Similar Tubes
Other base:
  B242_UX4
First year 1932 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er) Top contact screw type.
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.15 Ampere / Direct
Information source L'ABCDaire des lampes de TSF des jeunes années   p. 36
Babani, International Radio Tube Encyclopaedia   p. 52 & 53
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

b242_sock.png B242: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector


Just Qvigstad
b242_spec.png
B242: RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

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