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P209

Information - Help 
ID = 37943
       
Country:
Austria
Brand: Kremenezky, Johann (Sator); Wien,(Röhrenhersteller)
Developer: Kremenezky, Johann (Sator); Wien,(Röhrenhersteller) 
Tube type:  Triode, vacuum 
Identical to P209

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914
Was used by Radio/TV-reception etc.
Filament Vf 4 Volts / If 0.17 Ampere / Direct
Description

Filament rated 3 to 4V at 0.14 to 0.17A.
Va 40 to 120V; gm 0.6 mA/V

 
Dimensions (WHD)
incl. pins / tip
45 x 97 x mm / 1.77 x 3.82 x inch
Information source - - Manufacturers Literature   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 97, p. 131
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

b4_base_pins~~796.png P209: Fin Stewart
Fin Stewart


Just Qvigstad
h_kremenezky_orion_echo_p209_data.png
P209: Kremenezky RT. Orion-Echo ~1926.
Sándor Selyem-Tóth

 
h_kremenezky_p209_front.jpg

 

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